Finding the Fourth Proportional to 14,146.70, 19,523.06 and 7,859.07

Step by Step Solution

1. Step 1: Write the proportion equation
   14,146.70 : 19,523.06 = 7,859.07 : x
2. Step 2: Convert to fraction form
   14,146.70/19,523.06 = 7,859.07/x
3. Step 3: Cross multiply
   14,146.70x = 19,523.06 × 7,859.07
4. Step 4: Simplify right side
   14,146.70x = 153,433,055.86
5. Step 5: Solve for x
   x = 153,433,055.86/14,146.70
6. Step 6: Final answer
   x = 10,845.86