Finding the Fourth Proportional to 55,263,513,010.43, 82,900,016,416.61 and 19,405,187,915.87

Step by Step Solution

1. Step 1: Write the proportion equation
   55,263,513,010.43 : 82,900,016,416.61 = 19,405,187,915.87 : x
2. Step 2: Convert to fraction form
   55,263,513,010.43/82,900,016,416.61 = 19,405,187,915.87/x
3. Step 3: Cross multiply
   55,263,513,010.43x = 82,900,016,416.61 × 19,405,187,915.87
4. Step 4: Simplify right side
   55,263,513,010.43x = 1,608,690,396,792,927,813,632
5. Step 5: Solve for x
   x = 1,608,690,396,792,927,813,632/55,263,513,010.43
6. Step 6: Final answer
   x = 29,109,448,697.00