Finding the Fourth Proportional to 31,603.02, 43,612.47 and 17,455.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,603.02 : 43,612.47 = 17,455.56 : x
2. Step 2: Convert to fraction form
   31,603.02/43,612.47 = 17,455.56/x
3. Step 3: Cross multiply
   31,603.02x = 43,612.47 × 17,455.56
4. Step 4: Simplify right side
   31,603.02x = 761,280,086.83
5. Step 5: Solve for x
   x = 761,280,086.83/31,603.02
6. Step 6: Final answer
   x = 24,088.84