Finding the Fourth Proportional to 6,656.76, 9,191.52 and 4,142.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,656.76 : 9,191.52 = 4,142.52 : x
2. Step 2: Convert to fraction form
   6,656.76/9,191.52 = 4,142.52/x
3. Step 3: Cross multiply
   6,656.76x = 9,191.52 × 4,142.52
4. Step 4: Simplify right side
   6,656.76x = 38,076,055.43
5. Step 5: Solve for x
   x = 38,076,055.43/6,656.76
6. Step 6: Final answer
   x = 5,719.91