Finding the Fourth Proportional to 56,592, 78,101.60 and 36,490.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,592 : 78,101.60 = 36,490.72 : x
2. Step 2: Convert to fraction form
   56,592/78,101.60 = 36,490.72/x
3. Step 3: Cross multiply
   56,592x = 78,101.60 × 36,490.72
4. Step 4: Simplify right side
   56,592x = 2,849,983,617.15
5. Step 5: Solve for x
   x = 2,849,983,617.15/56,592
6. Step 6: Final answer
   x = 50,360.19