Finding the Fourth Proportional to 78,902.04, 108,885.42 and 43,091.40

Step by Step Solution

1. Step 1: Write the proportion equation
   78,902.04 : 108,885.42 = 43,091.40 : x
2. Step 2: Convert to fraction form
   78,902.04/108,885.42 = 43,091.40/x
3. Step 3: Cross multiply
   78,902.04x = 108,885.42 × 43,091.40
4. Step 4: Simplify right side
   78,902.04x = 4,692,025,187.39
5. Step 5: Solve for x
   x = 4,692,025,187.39/78,902.04
6. Step 6: Final answer
   x = 59,466.46