Finding the Fourth Proportional to 60,411.36, 83,424.24 and 38,938.80

Step by Step Solution

1. Step 1: Write the proportion equation
   60,411.36 : 83,424.24 = 38,938.80 : x
2. Step 2: Convert to fraction form
   60,411.36/83,424.24 = 38,938.80/x
3. Step 3: Cross multiply
   60,411.36x = 83,424.24 × 38,938.80
4. Step 4: Simplify right side
   60,411.36x = 3,248,439,796.51
5. Step 5: Solve for x
   x = 3,248,439,796.51/60,411.36
6. Step 6: Final answer
   x = 53,772.00