Finding the Fourth Proportional to 70,315.52, 105,481.98 and 25,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,315.52 : 105,481.98 = 25,942.50 : x
2. Step 2: Convert to fraction form
   70,315.52/105,481.98 = 25,942.50/x
3. Step 3: Cross multiply
   70,315.52x = 105,481.98 × 25,942.50
4. Step 4: Simplify right side
   70,315.52x = 2,736,466,266.15
5. Step 5: Solve for x
   x = 2,736,466,266.15/70,315.52
6. Step 6: Final answer
   x = 38,916.96