Finding the Fourth Proportional to 94,702.78, 142,077.30 and 31,522.78

Step by Step Solution

1. Step 1: Write the proportion equation
   94,702.78 : 142,077.30 = 31,522.78 : x
2. Step 2: Convert to fraction form
   94,702.78/142,077.30 = 31,522.78/x
3. Step 3: Cross multiply
   94,702.78x = 142,077.30 × 31,522.78
4. Step 4: Simplify right side
   94,702.78x = 4,478,671,470.89
5. Step 5: Solve for x
   x = 4,478,671,470.89/94,702.78
6. Step 6: Final answer
   x = 47,291.87