Finding the Fourth Proportional to 80,713, 111,384.42 and 47,172.52

Step by Step Solution

1. Step 1: Write the proportion equation
   80,713 : 111,384.42 = 47,172.52 : x
2. Step 2: Convert to fraction form
   80,713/111,384.42 = 47,172.52/x
3. Step 3: Cross multiply
   80,713x = 111,384.42 × 47,172.52
4. Step 4: Simplify right side
   80,713x = 5,254,283,780.14
5. Step 5: Solve for x
   x = 5,254,283,780.14/80,713
6. Step 6: Final answer
   x = 65,098.36