Finding the Fourth Proportional to 89,689,591.52, 123,771,631.56 and 48,436,479.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,689,591.52 : 123,771,631.56 = 48,436,479.92 : x
2. Step 2: Convert to fraction form
   89,689,591.52/123,771,631.56 = 48,436,479.92/x
3. Step 3: Cross multiply
   89,689,591.52x = 123,771,631.56 × 48,436,479.92
4. Step 4: Simplify right side
   89,689,591.52x = 5,995,062,146,721,579
5. Step 5: Solve for x
   x = 5,995,062,146,721,579/89,689,591.52
6. Step 6: Final answer
   x = 66,842,339.73