Finding the Fourth Proportional to 56,561.19, 78,049.89 and 32,689.41

Step by Step Solution

1. Step 1: Write the proportion equation
   56,561.19 : 78,049.89 = 32,689.41 : x
2. Step 2: Convert to fraction form
   56,561.19/78,049.89 = 32,689.41/x
3. Step 3: Cross multiply
   56,561.19x = 78,049.89 × 32,689.41
4. Step 4: Simplify right side
   56,561.19x = 2,551,404,854.66
5. Step 5: Solve for x
   x = 2,551,404,854.66/56,561.19
6. Step 6: Final answer
   x = 45,108.75