Finding the Fourth Proportional to 78,902.79, 108,886.46 and 43,092.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,902.79 : 108,886.46 = 43,092.15 : x
2. Step 2: Convert to fraction form
   78,902.79/108,886.46 = 43,092.15/x
3. Step 3: Cross multiply
   78,902.79x = 108,886.46 × 43,092.15
4. Step 4: Simplify right side
   78,902.79x = 4,692,151,451.83
5. Step 5: Solve for x
   x = 4,692,151,451.83/78,902.79
6. Step 6: Final answer
   x = 59,467.50