Finding the Fourth Proportional to 124,083.50, 186,158.06 and 64,903.28

Step by Step Solution

1. Step 1: Write the proportion equation
   124,083.50 : 186,158.06 = 64,903.28 : x
2. Step 2: Convert to fraction form
   124,083.50/186,158.06 = 64,903.28/x
3. Step 3: Cross multiply
   124,083.50x = 186,158.06 × 64,903.28
4. Step 4: Simplify right side
   124,083.50x = 12,082,268,833.32
5. Step 5: Solve for x
   x = 12,082,268,833.32/124,083.50
6. Step 6: Final answer
   x = 97,372.08