Finding the Fourth Proportional to 55,577.34, 76,689.59 and 31,702.59

Step by Step Solution

1. Step 1: Write the proportion equation
   55,577.34 : 76,689.59 = 31,702.59 : x
2. Step 2: Convert to fraction form
   55,577.34/76,689.59 = 31,702.59/x
3. Step 3: Cross multiply
   55,577.34x = 76,689.59 × 31,702.59
4. Step 4: Simplify right side
   55,577.34x = 2,431,258,470.53
5. Step 5: Solve for x
   x = 2,431,258,470.53/55,577.34
6. Step 6: Final answer
   x = 43,745.50