Finding the Fourth Proportional to 9,736.78, 13,436.76 and 5,545

Step by Step Solution

1. Step 1: Write the proportion equation
   9,736.78 : 13,436.76 = 5,545 : x
2. Step 2: Convert to fraction form
   9,736.78/13,436.76 = 5,545/x
3. Step 3: Cross multiply
   9,736.78x = 13,436.76 × 5,545
4. Step 4: Simplify right side
   9,736.78x = 74,506,834.20
5. Step 5: Solve for x
   x = 74,506,834.20/9,736.78
6. Step 6: Final answer
   x = 7,652.10