Finding the Fourth Proportional to 81,191.82, 112,049.94 and 45,381.96

Step by Step Solution

1. Step 1: Write the proportion equation
   81,191.82 : 112,049.94 = 45,381.96 : x
2. Step 2: Convert to fraction form
   81,191.82/112,049.94 = 45,381.96/x
3. Step 3: Cross multiply
   81,191.82x = 112,049.94 × 45,381.96
4. Step 4: Simplify right side
   81,191.82x = 5,085,045,895.08
5. Step 5: Solve for x
   x = 5,085,045,895.08/81,191.82
6. Step 6: Final answer
   x = 62,630.03