Finding the Fourth Proportional to 9,303.15, 12,837.98 and 5,526.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.15 : 12,837.98 = 5,526.21 : x
2. Step 2: Convert to fraction form
   9,303.15/12,837.98 = 5,526.21/x
3. Step 3: Cross multiply
   9,303.15x = 12,837.98 × 5,526.21
4. Step 4: Simplify right side
   9,303.15x = 70,945,345.82
5. Step 5: Solve for x
   x = 70,945,345.82/9,303.15
6. Step 6: Final answer
   x = 7,625.95