Finding the Fourth Proportional to 31,820.08, 47,750.22 and 17,789.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,820.08 : 47,750.22 = 17,789.31 : x
2. Step 2: Convert to fraction form
   31,820.08/47,750.22 = 17,789.31/x
3. Step 3: Cross multiply
   31,820.08x = 47,750.22 × 17,789.31
4. Step 4: Simplify right side
   31,820.08x = 849,443,466.15
5. Step 5: Solve for x
   x = 849,443,466.15/31,820.08
6. Step 6: Final answer
   x = 26,695.20