Finding the Fourth Proportional to 60,686.34, 83,699.67 and 39,472.38

Step by Step Solution

1. Step 1: Write the proportion equation
   60,686.34 : 83,699.67 = 39,472.38 : x
2. Step 2: Convert to fraction form
   60,686.34/83,699.67 = 39,472.38/x
3. Step 3: Cross multiply
   60,686.34x = 83,699.67 × 39,472.38
4. Step 4: Simplify right side
   60,686.34x = 3,303,825,180.11
5. Step 5: Solve for x
   x = 3,303,825,180.11/60,686.34
6. Step 6: Final answer
   x = 54,441.00