Finding the Fourth Proportional to 31,820.16, 47,733.12 and 13,095.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,820.16 : 47,733.12 = 13,095.84 : x
2. Step 2: Convert to fraction form
   31,820.16/47,733.12 = 13,095.84/x
3. Step 3: Cross multiply
   31,820.16x = 47,733.12 × 13,095.84
4. Step 4: Simplify right side
   31,820.16x = 625,105,302.22
5. Step 5: Solve for x
   x = 625,105,302.22/31,820.16
6. Step 6: Final answer
   x = 19,644.95