Finding the Fourth Proportional to 56,643.40, 78,173.86 and 32,446.29

Step by Step Solution

1. Step 1: Write the proportion equation
   56,643.40 : 78,173.86 = 32,446.29 : x
2. Step 2: Convert to fraction form
   56,643.40/78,173.86 = 32,446.29/x
3. Step 3: Cross multiply
   56,643.40x = 78,173.86 × 32,446.29
4. Step 4: Simplify right side
   56,643.40x = 2,536,452,008.53
5. Step 5: Solve for x
   x = 2,536,452,008.53/56,643.40
6. Step 6: Final answer
   x = 44,779.31