Finding the Fourth Proportional to 11,456.64, 15,807.76 and 7,483.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.64 : 15,807.76 = 7,483.59 : x
2. Step 2: Convert to fraction form
   11,456.64/15,807.76 = 7,483.59/x
3. Step 3: Cross multiply
   11,456.64x = 15,807.76 × 7,483.59
4. Step 4: Simplify right side
   11,456.64x = 118,298,775.95
5. Step 5: Solve for x
   x = 118,298,775.95/11,456.64
6. Step 6: Final answer
   x = 10,325.78