Finding the Fourth Proportional to 9,748.74, 13,453.22 and 5,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.74 : 13,453.22 = 5,272.50 : x
2. Step 2: Convert to fraction form
   9,748.74/13,453.22 = 5,272.50/x
3. Step 3: Cross multiply
   9,748.74x = 13,453.22 × 5,272.50
4. Step 4: Simplify right side
   9,748.74x = 70,932,090.41
5. Step 5: Solve for x
   x = 70,932,090.41/9,748.74
6. Step 6: Final answer
   x = 7,276.02