Finding the Fourth Proportional to 69,092.20, 103,632.32 and 42,067.53

Step by Step Solution

1. Step 1: Write the proportion equation
   69,092.20 : 103,632.32 = 42,067.53 : x
2. Step 2: Convert to fraction form
   69,092.20/103,632.32 = 42,067.53/x
3. Step 3: Cross multiply
   69,092.20x = 103,632.32 × 42,067.53
4. Step 4: Simplify right side
   69,092.20x = 4,359,555,835.74
5. Step 5: Solve for x
   x = 4,359,555,835.74/69,092.20
6. Step 6: Final answer
   x = 63,097.65