Finding the Fourth Proportional to 21,805,632, 30,091,358.52 and 12,016,980.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,805,632 : 30,091,358.52 = 12,016,980.84 : x
2. Step 2: Convert to fraction form
   21,805,632/30,091,358.52 = 12,016,980.84/x
3. Step 3: Cross multiply
   21,805,632x = 30,091,358.52 × 12,016,980.84
4. Step 4: Simplify right side
   21,805,632x = 361,607,278,784,410.75
5. Step 5: Solve for x
   x = 361,607,278,784,410.75/21,805,632
6. Step 6: Final answer
   x = 16,583,205.60