Finding the Fourth Proportional to 92,595.12, 138,781.20 and 42,606.24

Step by Step Solution

1. Step 1: Write the proportion equation
   92,595.12 : 138,781.20 = 42,606.24 : x
2. Step 2: Convert to fraction form
   92,595.12/138,781.20 = 42,606.24/x
3. Step 3: Cross multiply
   92,595.12x = 138,781.20 × 42,606.24
4. Step 4: Simplify right side
   92,595.12x = 5,912,945,114.69
5. Step 5: Solve for x
   x = 5,912,945,114.69/92,595.12
6. Step 6: Final answer
   x = 63,858.06