Finding the Fourth Proportional to 10,987.42, 16,488.28 and 4,753.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.42 : 16,488.28 = 4,753.52 : x
2. Step 2: Convert to fraction form
   10,987.42/16,488.28 = 4,753.52/x
3. Step 3: Cross multiply
   10,987.42x = 16,488.28 × 4,753.52
4. Step 4: Simplify right side
   10,987.42x = 78,377,368.75
5. Step 5: Solve for x
   x = 78,377,368.75/10,987.42
6. Step 6: Final answer
   x = 7,133.37