Finding the Fourth Proportional to 10,303.60, 14,218.89 and 5,587.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,303.60 : 14,218.89 = 5,587.87 : x
2. Step 2: Convert to fraction form
   10,303.60/14,218.89 = 5,587.87/x
3. Step 3: Cross multiply
   10,303.60x = 14,218.89 × 5,587.87
4. Step 4: Simplify right side
   10,303.60x = 79,453,308.86
5. Step 5: Solve for x
   x = 79,453,308.86/10,303.60
6. Step 6: Final answer
   x = 7,711.22