Finding the Fourth Proportional to 126,077.12, 173,985.90 and 69,488.48

Step by Step Solution

1. Step 1: Write the proportion equation
   126,077.12 : 173,985.90 = 69,488.48 : x
2. Step 2: Convert to fraction form
   126,077.12/173,985.90 = 69,488.48/x
3. Step 3: Cross multiply
   126,077.12x = 173,985.90 × 69,488.48
4. Step 4: Simplify right side
   126,077.12x = 12,090,015,732.43
5. Step 5: Solve for x
   x = 12,090,015,732.43/126,077.12
6. Step 6: Final answer
   x = 95,893.81