Finding the Fourth Proportional to 102,575,990.75, 141,555,095.78 and 55,533,560.00

Step by Step Solution

1. Step 1: Write the proportion equation
   102,575,990.75 : 141,555,095.78 = 55,533,560.00 : x
2. Step 2: Convert to fraction form
   102,575,990.75/141,555,095.78 = 55,533,560.00/x
3. Step 3: Cross multiply
   102,575,990.75x = 141,555,095.78 × 55,533,560.00
4. Step 4: Simplify right side
   102,575,990.75x = 7,861,058,403,818,933
5. Step 5: Solve for x
   x = 7,861,058,403,818,933/102,575,990.75
6. Step 6: Final answer
   x = 76,636,436.53