Finding the Fourth Proportional to 31,892.60, 47,826.12 and 13,175.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,892.60 : 47,826.12 = 13,175.52 : x
2. Step 2: Convert to fraction form
   31,892.60/47,826.12 = 13,175.52/x
3. Step 3: Cross multiply
   31,892.60x = 47,826.12 × 13,175.52
4. Step 4: Simplify right side
   31,892.60x = 630,134,000.58
5. Step 5: Solve for x
   x = 630,134,000.58/31,892.60
6. Step 6: Final answer
   x = 19,758.00