Finding the Fourth Proportional to 9,856.53, 13,602.03 and 5,607.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.53 : 13,602.03 = 5,607.48 : x
2. Step 2: Convert to fraction form
   9,856.53/13,602.03 = 5,607.48/x
3. Step 3: Cross multiply
   9,856.53x = 13,602.03 × 5,607.48
4. Step 4: Simplify right side
   9,856.53x = 76,273,111.18
5. Step 5: Solve for x
   x = 76,273,111.18/9,856.53
6. Step 6: Final answer
   x = 7,738.33