Finding the Fourth Proportional to 92,553.75, 138,725.67 and 42,530.48

Step by Step Solution

1. Step 1: Write the proportion equation
   92,553.75 : 138,725.67 = 42,530.48 : x
2. Step 2: Convert to fraction form
   92,553.75/138,725.67 = 42,530.48/x
3. Step 3: Cross multiply
   92,553.75x = 138,725.67 × 42,530.48
4. Step 4: Simplify right side
   92,553.75x = 5,900,069,333.42
5. Step 5: Solve for x
   x = 5,900,069,333.42/92,553.75
6. Step 6: Final answer
   x = 63,747.49