Finding the Fourth Proportional to 85,296.41, 127,773.26 and 42,472.82

Step by Step Solution

1. Step 1: Write the proportion equation
   85,296.41 : 127,773.26 = 42,472.82 : x
2. Step 2: Convert to fraction form
   85,296.41/127,773.26 = 42,472.82/x
3. Step 3: Cross multiply
   85,296.41x = 127,773.26 × 42,472.82
4. Step 4: Simplify right side
   85,296.41x = 5,426,890,779.86
5. Step 5: Solve for x
   x = 5,426,890,779.86/85,296.41
6. Step 6: Final answer
   x = 63,623.91