Finding the Fourth Proportional to 10,191.88, 14,064.80 and 5,654.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.88 : 14,064.80 = 5,654.87 : x
2. Step 2: Convert to fraction form
   10,191.88/14,064.80 = 5,654.87/x
3. Step 3: Cross multiply
   10,191.88x = 14,064.80 × 5,654.87
4. Step 4: Simplify right side
   10,191.88x = 79,534,615.58
5. Step 5: Solve for x
   x = 79,534,615.58/10,191.88
6. Step 6: Final answer
   x = 7,803.72