Finding the Fourth Proportional to 47,598.83, 71,417.82 and 20,931.09

Step by Step Solution

1. Step 1: Write the proportion equation
   47,598.83 : 71,417.82 = 20,931.09 : x
2. Step 2: Convert to fraction form
   47,598.83/71,417.82 = 20,931.09/x
3. Step 3: Cross multiply
   47,598.83x = 71,417.82 × 20,931.09
4. Step 4: Simplify right side
   47,598.83x = 1,494,852,818.02
5. Step 5: Solve for x
   x = 1,494,852,818.02/47,598.83
6. Step 6: Final answer
   x = 31,405.25