Finding the Fourth Proportional to 81,364.50, 112,294.22 and 49,100.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,364.50 : 112,294.22 = 49,100.76 : x
2. Step 2: Convert to fraction form
   81,364.50/112,294.22 = 49,100.76/x
3. Step 3: Cross multiply
   81,364.50x = 112,294.22 × 49,100.76
4. Step 4: Simplify right side
   81,364.50x = 5,513,731,300.10
5. Step 5: Solve for x
   x = 5,513,731,300.10/81,364.50
6. Step 6: Final answer
   x = 67,765.81