Finding the Fourth Proportional to 10,332.51, 15,484.89 and 5,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,332.51 : 15,484.89 = 5,645.50 : x
2. Step 2: Convert to fraction form
   10,332.51/15,484.89 = 5,645.50/x
3. Step 3: Cross multiply
   10,332.51x = 15,484.89 × 5,645.50
4. Step 4: Simplify right side
   10,332.51x = 87,419,897.20
5. Step 5: Solve for x
   x = 87,419,897.20/10,332.51
6. Step 6: Final answer
   x = 8,460.66