Finding the Fourth Proportional to 125,978.01, 173,849.62 and 69,389.39

Step by Step Solution

1. Step 1: Write the proportion equation
   125,978.01 : 173,849.62 = 69,389.39 : x
2. Step 2: Convert to fraction form
   125,978.01/173,849.62 = 69,389.39/x
3. Step 3: Cross multiply
   125,978.01x = 173,849.62 × 69,389.39
4. Step 4: Simplify right side
   125,978.01x = 12,063,317,867.34
5. Step 5: Solve for x
   x = 12,063,317,867.34/125,978.01
6. Step 6: Final answer
   x = 95,757.33