Finding the Fourth Proportional to 81,494.16, 112,462.76 and 45,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   81,494.16 : 112,462.76 = 45,196.31 : x
2. Step 2: Convert to fraction form
   81,494.16/112,462.76 = 45,196.31/x
3. Step 3: Cross multiply
   81,494.16x = 112,462.76 × 45,196.31
4. Step 4: Simplify right side
   81,494.16x = 5,082,902,158.56
5. Step 5: Solve for x
   x = 5,082,902,158.56/81,494.16
6. Step 6: Final answer
   x = 62,371.37