Finding the Fourth Proportional to 9,603.50, 13,252.83 and 5,187.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.50 : 13,252.83 = 5,187.50 : x
2. Step 2: Convert to fraction form
   9,603.50/13,252.83 = 5,187.50/x
3. Step 3: Cross multiply
   9,603.50x = 13,252.83 × 5,187.50
4. Step 4: Simplify right side
   9,603.50x = 68,749,055.63
5. Step 5: Solve for x
   x = 68,749,055.63/9,603.50
6. Step 6: Final answer
   x = 7,158.75