Finding the Fourth Proportional to 56,633.22, 78,155.85 and 31,141.53

Step by Step Solution

1. Step 1: Write the proportion equation
   56,633.22 : 78,155.85 = 31,141.53 : x
2. Step 2: Convert to fraction form
   56,633.22/78,155.85 = 31,141.53/x
3. Step 3: Cross multiply
   56,633.22x = 78,155.85 × 31,141.53
4. Step 4: Simplify right side
   56,633.22x = 2,433,892,200.96
5. Step 5: Solve for x
   x = 2,433,892,200.96/56,633.22
6. Step 6: Final answer
   x = 42,976.41