Finding the Fourth Proportional to 123,333.18, 170,199.72 and 69,618.66

Step by Step Solution

1. Step 1: Write the proportion equation
   123,333.18 : 170,199.72 = 69,618.66 : x
2. Step 2: Convert to fraction form
   123,333.18/170,199.72 = 69,618.66/x
3. Step 3: Cross multiply
   123,333.18x = 170,199.72 × 69,618.66
4. Step 4: Simplify right side
   123,333.18x = 11,849,076,438.78
5. Step 5: Solve for x
   x = 11,849,076,438.78/123,333.18
6. Step 6: Final answer
   x = 96,073.71