Finding the Fourth Proportional to 69,078.24, 103,584.42 and 37,438.02

Step by Step Solution

1. Step 1: Write the proportion equation
   69,078.24 : 103,584.42 = 37,438.02 : x
2. Step 2: Convert to fraction form
   69,078.24/103,584.42 = 37,438.02/x
3. Step 3: Cross multiply
   69,078.24x = 103,584.42 × 37,438.02
4. Step 4: Simplify right side
   69,078.24x = 3,877,995,587.65
5. Step 5: Solve for x
   x = 3,877,995,587.65/69,078.24
6. Step 6: Final answer
   x = 56,139.18