Finding the Fourth Proportional to 42,535.72, 58,715.31 and 31,955.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,535.72 : 58,715.31 = 31,955.91 : x
2. Step 2: Convert to fraction form
   42,535.72/58,715.31 = 31,955.91/x
3. Step 3: Cross multiply
   42,535.72x = 58,715.31 × 31,955.91
4. Step 4: Simplify right side
   42,535.72x = 1,876,301,161.98
5. Step 5: Solve for x
   x = 1,876,301,161.98/42,535.72
6. Step 6: Final answer
   x = 44,111.19