Finding the Fourth Proportional to 9,812.50, 13,541.25 and 5,396.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,812.50 : 13,541.25 = 5,396.50 : x
2. Step 2: Convert to fraction form
   9,812.50/13,541.25 = 5,396.50/x
3. Step 3: Cross multiply
   9,812.50x = 13,541.25 × 5,396.50
4. Step 4: Simplify right side
   9,812.50x = 73,075,355.63
5. Step 5: Solve for x
   x = 73,075,355.63/9,812.50
6. Step 6: Final answer
   x = 7,447.17