Finding the Fourth Proportional to 8,961.51, 12,363.02 and 5,598.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,961.51 : 12,363.02 = 5,598.47 : x
2. Step 2: Convert to fraction form
   8,961.51/12,363.02 = 5,598.47/x
3. Step 3: Cross multiply
   8,961.51x = 12,363.02 × 5,598.47
4. Step 4: Simplify right side
   8,961.51x = 69,213,968.59
5. Step 5: Solve for x
   x = 69,213,968.59/8,961.51
6. Step 6: Final answer
   x = 7,723.47