Finding the Fourth Proportional to 57,037.46, 78,699.33 and 31,886.10

Step by Step Solution

1. Step 1: Write the proportion equation
   57,037.46 : 78,699.33 = 31,886.10 : x
2. Step 2: Convert to fraction form
   57,037.46/78,699.33 = 31,886.10/x
3. Step 3: Cross multiply
   57,037.46x = 78,699.33 × 31,886.10
4. Step 4: Simplify right side
   57,037.46x = 2,509,414,706.31
5. Step 5: Solve for x
   x = 2,509,414,706.31/57,037.46
6. Step 6: Final answer
   x = 43,995.91