Finding the Fourth Proportional to 69,154.56, 103,469.31 and 42,793.92

Step by Step Solution

1. Step 1: Write the proportion equation
   69,154.56 : 103,469.31 = 42,793.92 : x
2. Step 2: Convert to fraction form
   69,154.56/103,469.31 = 42,793.92/x
3. Step 3: Cross multiply
   69,154.56x = 103,469.31 × 42,793.92
4. Step 4: Simplify right side
   69,154.56x = 4,427,857,374.60
5. Step 5: Solve for x
   x = 4,427,857,374.60/69,154.56
6. Step 6: Final answer
   x = 64,028.42