Finding the Fourth Proportional to 9,319.50, 12,860.32 and 5,070.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,319.50 : 12,860.32 = 5,070.52 : x
2. Step 2: Convert to fraction form
   9,319.50/12,860.32 = 5,070.52/x
3. Step 3: Cross multiply
   9,319.50x = 12,860.32 × 5,070.52
4. Step 4: Simplify right side
   9,319.50x = 65,208,509.77
5. Step 5: Solve for x
   x = 65,208,509.77/9,319.50
6. Step 6: Final answer
   x = 6,997.00