Finding the Fourth Proportional to 31,002.81, 42,784.74 and 17,573.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,002.81 : 42,784.74 = 17,573.52 : x
2. Step 2: Convert to fraction form
   31,002.81/42,784.74 = 17,573.52/x
3. Step 3: Cross multiply
   31,002.81x = 42,784.74 × 17,573.52
4. Step 4: Simplify right side
   31,002.81x = 751,878,484.08
5. Step 5: Solve for x
   x = 751,878,484.08/31,002.81
6. Step 6: Final answer
   x = 24,251.95