Finding the Fourth Proportional to 119,866,573.16, 165,416,158.50 and 64,863,019.88

Step by Step Solution

1. Step 1: Write the proportion equation
   119,866,573.16 : 165,416,158.50 = 64,863,019.88 : x
2. Step 2: Convert to fraction form
   119,866,573.16/165,416,158.50 = 64,863,019.88/x
3. Step 3: Cross multiply
   119,866,573.16x = 165,416,158.50 × 64,863,019.88
4. Step 4: Simplify right side
   119,866,573.16x = 10,729,391,577,258,732
5. Step 5: Solve for x
   x = 10,729,391,577,258,732/119,866,573.16
6. Step 6: Final answer
   x = 89,511,123.03