Finding the Fourth Proportional to 56,568.21, 78,046.57 and 32,686.17

Step by Step Solution

1. Step 1: Write the proportion equation
   56,568.21 : 78,046.57 = 32,686.17 : x
2. Step 2: Convert to fraction form
   56,568.21/78,046.57 = 32,686.17/x
3. Step 3: Cross multiply
   56,568.21x = 78,046.57 × 32,686.17
4. Step 4: Simplify right side
   56,568.21x = 2,551,043,454.94
5. Step 5: Solve for x
   x = 2,551,043,454.94/56,568.21
6. Step 6: Final answer
   x = 45,096.77