Finding the Fourth Proportional to 124,620.50, 171,977 and 70,905.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124,620.50 : 171,977 = 70,905.52 : x
2. Step 2: Convert to fraction form
   124,620.50/171,977 = 70,905.52/x
3. Step 3: Cross multiply
   124,620.50x = 171,977 × 70,905.52
4. Step 4: Simplify right side
   124,620.50x = 12,194,118,613.04
5. Step 5: Solve for x
   x = 12,194,118,613.04/124,620.50
6. Step 6: Final answer
   x = 97,850.02