Finding the Fourth Proportional to 92,157.82, 138,235.82 and 42,223.75

Step by Step Solution

1. Step 1: Write the proportion equation
   92,157.82 : 138,235.82 = 42,223.75 : x
2. Step 2: Convert to fraction form
   92,157.82/138,235.82 = 42,223.75/x
3. Step 3: Cross multiply
   92,157.82x = 138,235.82 × 42,223.75
4. Step 4: Simplify right side
   92,157.82x = 5,836,834,148.02
5. Step 5: Solve for x
   x = 5,836,834,148.02/92,157.82
6. Step 6: Final answer
   x = 63,335.20