Finding the Fourth Proportional to 9,103.68, 12,563.42 and 5,070.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.68 : 12,563.42 = 5,070.87 : x
2. Step 2: Convert to fraction form
   9,103.68/12,563.42 = 5,070.87/x
3. Step 3: Cross multiply
   9,103.68x = 12,563.42 × 5,070.87
4. Step 4: Simplify right side
   9,103.68x = 63,707,444.22
5. Step 5: Solve for x
   x = 63,707,444.22/9,103.68
6. Step 6: Final answer
   x = 6,997.99