Finding the Fourth Proportional to 14,061.60, 21,085.82 and 5,174.66

Step by Step Solution

1. Step 1: Write the proportion equation
   14,061.60 : 21,085.82 = 5,174.66 : x
2. Step 2: Convert to fraction form
   14,061.60/21,085.82 = 5,174.66/x
3. Step 3: Cross multiply
   14,061.60x = 21,085.82 × 5,174.66
4. Step 4: Simplify right side
   14,061.60x = 109,111,936.26
5. Step 5: Solve for x
   x = 109,111,936.26/14,061.60
6. Step 6: Final answer
   x = 7,759.57