Finding the Fourth Proportional to 56,834.62, 78,429.98 and 31,342.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,834.62 : 78,429.98 = 31,342.06 : x
2. Step 2: Convert to fraction form
   56,834.62/78,429.98 = 31,342.06/x
3. Step 3: Cross multiply
   56,834.62x = 78,429.98 × 31,342.06
4. Step 4: Simplify right side
   56,834.62x = 2,458,157,381.67
5. Step 5: Solve for x
   x = 2,458,157,381.67/56,834.62
6. Step 6: Final answer
   x = 43,251.05