Finding the Fourth Proportional to 102,575,991.50, 141,555,096.81 and 55,533,560.75

Step by Step Solution

1. Step 1: Write the proportion equation
   102,575,991.50 : 141,555,096.81 = 55,533,560.75 : x
2. Step 2: Convert to fraction form
   102,575,991.50/141,555,096.81 = 55,533,560.75/x
3. Step 3: Cross multiply
   102,575,991.50x = 141,555,096.81 × 55,533,560.75
4. Step 4: Simplify right side
   102,575,991.50x = 7,861,058,567,462,490
5. Step 5: Solve for x
   x = 7,861,058,567,462,490/102,575,991.50
6. Step 6: Final answer
   x = 76,636,437.56