Finding the Fourth Proportional to 58,002.96, 86,969.52 and 31,671.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,002.96 : 86,969.52 = 31,671.12 : x
2. Step 2: Convert to fraction form
   58,002.96/86,969.52 = 31,671.12/x
3. Step 3: Cross multiply
   58,002.96x = 86,969.52 × 31,671.12
4. Step 4: Simplify right side
   58,002.96x = 2,754,422,104.26
5. Step 5: Solve for x
   x = 2,754,422,104.26/58,002.96
6. Step 6: Final answer
   x = 47,487.61