Finding the Fourth Proportional to 58,029.71, 87,069.15 and 31,703.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,029.71 : 87,069.15 = 31,703.72 : x
2. Step 2: Convert to fraction form
   58,029.71/87,069.15 = 31,703.72/x
3. Step 3: Cross multiply
   58,029.71x = 87,069.15 × 31,703.72
4. Step 4: Simplify right side
   58,029.71x = 2,760,415,516.89
5. Step 5: Solve for x
   x = 2,760,415,516.89/58,029.71
6. Step 6: Final answer
   x = 47,569.01