Finding the Fourth Proportional to 31,200.57, 43,056.78 and 17,053.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.57 : 43,056.78 = 17,053.41 : x
2. Step 2: Convert to fraction form
   31,200.57/43,056.78 = 17,053.41/x
3. Step 3: Cross multiply
   31,200.57x = 43,056.78 × 17,053.41
4. Step 4: Simplify right side
   31,200.57x = 734,264,922.62
5. Step 5: Solve for x
   x = 734,264,922.62/31,200.57
6. Step 6: Final answer
   x = 23,533.70