Finding the Fourth Proportional to 42,542.35, 63,850.40 and 42,443.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,542.35 : 63,850.40 = 42,443.93 : x
2. Step 2: Convert to fraction form
   42,542.35/63,850.40 = 42,443.93/x
3. Step 3: Cross multiply
   42,542.35x = 63,850.40 × 42,443.93
4. Step 4: Simplify right side
   42,542.35x = 2,710,061,695.85
5. Step 5: Solve for x
   x = 2,710,061,695.85/42,542.35
6. Step 6: Final answer
   x = 63,702.69