Finding the Fourth Proportional to 152,752,606.50, 210,798,585.28 and 83,138,486.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,752,606.50 : 210,798,585.28 = 83,138,486.52 : x
2. Step 2: Convert to fraction form
   152,752,606.50/210,798,585.28 = 83,138,486.52/x
3. Step 3: Cross multiply
   152,752,606.50x = 210,798,585.28 × 83,138,486.52
4. Step 4: Simplify right side
   152,752,606.50x = 17,525,475,340,736,350
5. Step 5: Solve for x
   x = 17,525,475,340,736,350/152,752,606.50
6. Step 6: Final answer
   x = 114,731,105.04