Finding the Fourth Proportional to 8,785.51, 13,196.62 and 7,469.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.51 : 13,196.62 = 7,469.05 : x
2. Step 2: Convert to fraction form
   8,785.51/13,196.62 = 7,469.05/x
3. Step 3: Cross multiply
   8,785.51x = 13,196.62 × 7,469.05
4. Step 4: Simplify right side
   8,785.51x = 98,566,214.61
5. Step 5: Solve for x
   x = 98,566,214.61/8,785.51
6. Step 6: Final answer
   x = 11,219.18