Finding the Fourth Proportional to 9,745.02, 13,448.43 and 5,553

Step by Step Solution

1. Step 1: Write the proportion equation
   9,745.02 : 13,448.43 = 5,553 : x
2. Step 2: Convert to fraction form
   9,745.02/13,448.43 = 5,553/x
3. Step 3: Cross multiply
   9,745.02x = 13,448.43 × 5,553
4. Step 4: Simplify right side
   9,745.02x = 74,679,131.79
5. Step 5: Solve for x
   x = 74,679,131.79/9,745.02
6. Step 6: Final answer
   x = 7,663.31