Finding the Fourth Proportional to 152,955,361.83, 211,078,429.67 and 83,340,742.71

Step by Step Solution

1. Step 1: Write the proportion equation
   152,955,361.83 : 211,078,429.67 = 83,340,742.71 : x
2. Step 2: Convert to fraction form
   152,955,361.83/211,078,429.67 = 83,340,742.71/x
3. Step 3: Cross multiply
   152,955,361.83x = 211,078,429.67 × 83,340,742.71
4. Step 4: Simplify right side
   152,955,361.83x = 17,591,433,098,758,298
5. Step 5: Solve for x
   x = 17,591,433,098,758,298/152,955,361.83
6. Step 6: Final answer
   x = 115,010,241.47