Finding the Fourth Proportional to 114,948.50, 158,701.80 and 78,710.58

Step by Step Solution

1. Step 1: Write the proportion equation
   114,948.50 : 158,701.80 = 78,710.58 : x
2. Step 2: Convert to fraction form
   114,948.50/158,701.80 = 78,710.58/x
3. Step 3: Cross multiply
   114,948.50x = 158,701.80 × 78,710.58
4. Step 4: Simplify right side
   114,948.50x = 12,491,510,725.04
5. Step 5: Solve for x
   x = 12,491,510,725.04/114,948.50
6. Step 6: Final answer
   x = 108,670.50