Finding the Fourth Proportional to 152,752,605.50, 210,798,583.90 and 83,138,485.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,752,605.50 : 210,798,583.90 = 83,138,485.52 : x
2. Step 2: Convert to fraction form
   152,752,605.50/210,798,583.90 = 83,138,485.52/x
3. Step 3: Cross multiply
   152,752,605.50x = 210,798,583.90 × 83,138,485.52
4. Step 4: Simplify right side
   152,752,605.50x = 17,525,475,013,944,816
5. Step 5: Solve for x
   x = 17,525,475,013,944,816/152,752,605.50
6. Step 6: Final answer
   x = 114,731,103.65