Finding the Fourth Proportional to 9,603.35, 13,255.61 and 5,623.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.35 : 13,255.61 = 5,623.01 : x
2. Step 2: Convert to fraction form
   9,603.35/13,255.61 = 5,623.01/x
3. Step 3: Cross multiply
   9,603.35x = 13,255.61 × 5,623.01
4. Step 4: Simplify right side
   9,603.35x = 74,536,333.19
5. Step 5: Solve for x
   x = 74,536,333.19/9,603.35
6. Step 6: Final answer
   x = 7,761.50