Finding the Fourth Proportional to 11,865.74, 17,796.12 and 4,470.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,865.74 : 17,796.12 = 4,470.02 : x
2. Step 2: Convert to fraction form
   11,865.74/17,796.12 = 4,470.02/x
3. Step 3: Cross multiply
   11,865.74x = 17,796.12 × 4,470.02
4. Step 4: Simplify right side
   11,865.74x = 79,549,012.32
5. Step 5: Solve for x
   x = 79,549,012.32/11,865.74
6. Step 6: Final answer
   x = 6,704.09