Finding the Fourth Proportional to 123,883.50, 170,943.98 and 75,467.85

Step by Step Solution

1. Step 1: Write the proportion equation
   123,883.50 : 170,943.98 = 75,467.85 : x
2. Step 2: Convert to fraction form
   123,883.50/170,943.98 = 75,467.85/x
3. Step 3: Cross multiply
   123,883.50x = 170,943.98 × 75,467.85
4. Step 4: Simplify right side
   123,883.50x = 12,900,774,641.04
5. Step 5: Solve for x
   x = 12,900,774,641.04/123,883.50
6. Step 6: Final answer
   x = 104,136.34