Finding the Fourth Proportional to 57,033.42, 78,713.55 and 31,888.14

Step by Step Solution

1. Step 1: Write the proportion equation
   57,033.42 : 78,713.55 = 31,888.14 : x
2. Step 2: Convert to fraction form
   57,033.42/78,713.55 = 31,888.14/x
3. Step 3: Cross multiply
   57,033.42x = 78,713.55 × 31,888.14
4. Step 4: Simplify right side
   57,033.42x = 2,510,028,702.30
5. Step 5: Solve for x
   x = 2,510,028,702.30/57,033.42
6. Step 6: Final answer
   x = 44,009.79