Finding the Fourth Proportional to 81,662.34, 112,699.60 and 45,368.04

Step by Step Solution

1. Step 1: Write the proportion equation
   81,662.34 : 112,699.60 = 45,368.04 : x
2. Step 2: Convert to fraction form
   81,662.34/112,699.60 = 45,368.04/x
3. Step 3: Cross multiply
   81,662.34x = 112,699.60 × 45,368.04
4. Step 4: Simplify right side
   81,662.34x = 5,112,959,960.78
5. Step 5: Solve for x
   x = 5,112,959,960.78/81,662.34
6. Step 6: Final answer
   x = 62,610.99