Finding the Fourth Proportional to 36,139,770,061.81, 49,873,334,612.81 and 19,865,153,740.05

Step by Step Solution

1. Step 1: Write the proportion equation
   36,139,770,061.81 : 49,873,334,612.81 = 19,865,153,740.05 : x
2. Step 2: Convert to fraction form
   36,139,770,061.81/49,873,334,612.81 = 19,865,153,740.05/x
3. Step 3: Cross multiply
   36,139,770,061.81x = 49,873,334,612.81 × 19,865,153,740.05
4. Step 4: Simplify right side
   36,139,770,061.81x = 990,741,459,612,328,394,752
5. Step 5: Solve for x
   x = 990,741,459,612,328,394,752/36,139,770,061.81
6. Step 6: Final answer
   x = 27,414,160,574.84