Finding the Fourth Proportional to 125,990.04, 173,866.72 and 69,401.28

Step by Step Solution

1. Step 1: Write the proportion equation
   125,990.04 : 173,866.72 = 69,401.28 : x
2. Step 2: Convert to fraction form
   125,990.04/173,866.72 = 69,401.28/x
3. Step 3: Cross multiply
   125,990.04x = 173,866.72 × 69,401.28
4. Step 4: Simplify right side
   125,990.04x = 12,066,572,917.40
5. Step 5: Solve for x
   x = 12,066,572,917.40/125,990.04
6. Step 6: Final answer
   x = 95,774.02