Finding the Fourth Proportional to 9,892.02, 13,651.14 and 5,415.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892.02 : 13,651.14 = 5,415.69 : x
2. Step 2: Convert to fraction form
   9,892.02/13,651.14 = 5,415.69/x
3. Step 3: Cross multiply
   9,892.02x = 13,651.14 × 5,415.69
4. Step 4: Simplify right side
   9,892.02x = 73,930,342.39
5. Step 5: Solve for x
   x = 73,930,342.39/9,892.02
6. Step 6: Final answer
   x = 7,473.74