Finding the Fourth Proportional to 42,158.07, 63,518.38 and 38,160.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,158.07 : 63,518.38 = 38,160.42 : x
2. Step 2: Convert to fraction form
   42,158.07/63,518.38 = 38,160.42/x
3. Step 3: Cross multiply
   42,158.07x = 63,518.38 × 38,160.42
4. Step 4: Simplify right side
   42,158.07x = 2,423,887,724.92
5. Step 5: Solve for x
   x = 2,423,887,724.92/42,158.07
6. Step 6: Final answer
   x = 57,495.23