Finding the Fourth Proportional to 81,162.71, 112,002.38 and 45,353.01

Step by Step Solution

1. Step 1: Write the proportion equation
   81,162.71 : 112,002.38 = 45,353.01 : x
2. Step 2: Convert to fraction form
   81,162.71/112,002.38 = 45,353.01/x
3. Step 3: Cross multiply
   81,162.71x = 112,002.38 × 45,353.01
4. Step 4: Simplify right side
   81,162.71x = 5,079,645,173.55
5. Step 5: Solve for x
   x = 5,079,645,173.55/81,162.71
6. Step 6: Final answer
   x = 62,585.95