Finding the Fourth Proportional to 81,610.96, 112,623.96 and 45,313

Step by Step Solution

1. Step 1: Write the proportion equation
   81,610.96 : 112,623.96 = 45,313 : x
2. Step 2: Convert to fraction form
   81,610.96/112,623.96 = 45,313/x
3. Step 3: Cross multiply
   81,610.96x = 112,623.96 × 45,313
4. Step 4: Simplify right side
   81,610.96x = 5,103,329,499.48
5. Step 5: Solve for x
   x = 5,103,329,499.48/81,610.96
6. Step 6: Final answer
   x = 62,532.40