Finding the Fourth Proportional to 31,002.30, 42,784.05 and 17,573.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,002.30 : 42,784.05 = 17,573.01 : x
2. Step 2: Convert to fraction form
   31,002.30/42,784.05 = 17,573.01/x
3. Step 3: Cross multiply
   31,002.30x = 42,784.05 × 17,573.01
4. Step 4: Simplify right side
   31,002.30x = 751,844,538.49
5. Step 5: Solve for x
   x = 751,844,538.49/31,002.30
6. Step 6: Final answer
   x = 24,251.25