Finding the Fourth Proportional to 31,543.30, 47,274.06 and 12,801.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,543.30 : 47,274.06 = 12,801.52 : x
2. Step 2: Convert to fraction form
   31,543.30/47,274.06 = 12,801.52/x
3. Step 3: Cross multiply
   31,543.30x = 47,274.06 × 12,801.52
4. Step 4: Simplify right side
   31,543.30x = 605,179,824.57
5. Step 5: Solve for x
   x = 605,179,824.57/31,543.30
6. Step 6: Final answer
   x = 19,185.69