Finding the Fourth Proportional to 78,880.96, 108,856.56 and 43,071.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,880.96 : 108,856.56 = 43,071.76 : x
2. Step 2: Convert to fraction form
   78,880.96/108,856.56 = 43,071.76/x
3. Step 3: Cross multiply
   78,880.96x = 108,856.56 × 43,071.76
4. Step 4: Simplify right side
   78,880.96x = 4,688,643,626.75
5. Step 5: Solve for x
   x = 4,688,643,626.75/78,880.96
6. Step 6: Final answer
   x = 59,439.48