Finding the Fourth Proportional to 78,878.58, 108,855.02 and 43,071.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,878.58 : 108,855.02 = 43,071.32 : x
2. Step 2: Convert to fraction form
   78,878.58/108,855.02 = 43,071.32/x
3. Step 3: Cross multiply
   78,878.58x = 108,855.02 × 43,071.32
4. Step 4: Simplify right side
   78,878.58x = 4,688,528,640.39
5. Step 5: Solve for x
   x = 4,688,528,640.39/78,878.58
6. Step 6: Final answer
   x = 59,439.82