Finding the Fourth Proportional to 126,012.88, 173,907.56 and 69,434.32

Step by Step Solution

1. Step 1: Write the proportion equation
   126,012.88 : 173,907.56 = 69,434.32 : x
2. Step 2: Convert to fraction form
   126,012.88/173,907.56 = 69,434.32/x
3. Step 3: Cross multiply
   126,012.88x = 173,907.56 × 69,434.32
4. Step 4: Simplify right side
   126,012.88x = 12,075,153,171.46
5. Step 5: Solve for x
   x = 12,075,153,171.46/126,012.88
6. Step 6: Final answer
   x = 95,824.75