Finding the Fourth Proportional to 81,962.28, 122,870.48 and 32,031.02

Step by Step Solution

1. Step 1: Write the proportion equation
   81,962.28 : 122,870.48 = 32,031.02 : x
2. Step 2: Convert to fraction form
   81,962.28/122,870.48 = 32,031.02/x
3. Step 3: Cross multiply
   81,962.28x = 122,870.48 × 32,031.02
4. Step 4: Simplify right side
   81,962.28x = 3,935,666,693.82
5. Step 5: Solve for x
   x = 3,935,666,693.82/81,962.28
6. Step 6: Final answer
   x = 48,018.02