Finding the Fourth Proportional to 123,741.28, 170,762.88 and 67,152.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,741.28 : 170,762.88 = 67,152.52 : x
2. Step 2: Convert to fraction form
   123,741.28/170,762.88 = 67,152.52/x
3. Step 3: Cross multiply
   123,741.28x = 170,762.88 × 67,152.52
4. Step 4: Simplify right side
   123,741.28x = 11,467,157,714.46
5. Step 5: Solve for x
   x = 11,467,157,714.46/123,741.28
6. Step 6: Final answer
   x = 92,670.43