Finding the Fourth Proportional to 124,561.18, 171,916.50 and 73,570.60

Step by Step Solution

1. Step 1: Write the proportion equation
   124,561.18 : 171,916.50 = 73,570.60 : x
2. Step 2: Convert to fraction form
   124,561.18/171,916.50 = 73,570.60/x
3. Step 3: Cross multiply
   124,561.18x = 171,916.50 × 73,570.60
4. Step 4: Simplify right side
   124,561.18x = 12,648,000,054.90
5. Step 5: Solve for x
   x = 12,648,000,054.90/124,561.18
6. Step 6: Final answer
   x = 101,540.46