Finding the Fourth Proportional to 77,587.57, 107,057.90 and 45,762.77

Step by Step Solution

1. Step 1: Write the proportion equation
   77,587.57 : 107,057.90 = 45,762.77 : x
2. Step 2: Convert to fraction form
   77,587.57/107,057.90 = 45,762.77/x
3. Step 3: Cross multiply
   77,587.57x = 107,057.90 × 45,762.77
4. Step 4: Simplify right side
   77,587.57x = 4,899,266,436.43
5. Step 5: Solve for x
   x = 4,899,266,436.43/77,587.57
6. Step 6: Final answer
   x = 63,144.99