Finding the Fourth Proportional to 42,613.16, 58,810.32 and 31,839.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,613.16 : 58,810.32 = 31,839.34 : x
2. Step 2: Convert to fraction form
   42,613.16/58,810.32 = 31,839.34/x
3. Step 3: Cross multiply
   42,613.16x = 58,810.32 × 31,839.34
4. Step 4: Simplify right side
   42,613.16x = 1,872,481,773.99
5. Step 5: Solve for x
   x = 1,872,481,773.99/42,613.16
6. Step 6: Final answer
   x = 43,941.40