Finding the Fourth Proportional to 31,203.72, 43,061.16 and 17,056.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,203.72 : 43,061.16 = 17,056.56 : x
2. Step 2: Convert to fraction form
   31,203.72/43,061.16 = 17,056.56/x
3. Step 3: Cross multiply
   31,203.72x = 43,061.16 × 17,056.56
4. Step 4: Simplify right side
   31,203.72x = 734,475,259.21
5. Step 5: Solve for x
   x = 734,475,259.21/31,203.72
6. Step 6: Final answer
   x = 23,538.07