Finding the Fourth Proportional to 56,560.75, 78,060.72 and 32,687.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,560.75 : 78,060.72 = 32,687.62 : x
2. Step 2: Convert to fraction form
   56,560.75/78,060.72 = 32,687.62/x
3. Step 3: Cross multiply
   56,560.75x = 78,060.72 × 32,687.62
4. Step 4: Simplify right side
   56,560.75x = 2,551,619,152.29
5. Step 5: Solve for x
   x = 2,551,619,152.29/56,560.75
6. Step 6: Final answer
   x = 45,112.89