Finding the Fourth Proportional to 10,970.50, 15,139.30 and 6,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.50 : 15,139.30 = 6,002.50 : x
2. Step 2: Convert to fraction form
   10,970.50/15,139.30 = 6,002.50/x
3. Step 3: Cross multiply
   10,970.50x = 15,139.30 × 6,002.50
4. Step 4: Simplify right side
   10,970.50x = 90,873,648.25
5. Step 5: Solve for x
   x = 90,873,648.25/10,970.50
6. Step 6: Final answer
   x = 8,283.46