Finding the Fourth Proportional to 42,854.16, 59,077.86 and 31,503.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,854.16 : 59,077.86 = 31,503.62 : x
2. Step 2: Convert to fraction form
   42,854.16/59,077.86 = 31,503.62/x
3. Step 3: Cross multiply
   42,854.16x = 59,077.86 × 31,503.62
4. Step 4: Simplify right side
   42,854.16x = 1,861,166,451.85
5. Step 5: Solve for x
   x = 1,861,166,451.85/42,854.16
6. Step 6: Final answer
   x = 43,430.24