Finding the Fourth Proportional to 10,259.98, 14,158.94 and 5,783.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.98 : 14,158.94 = 5,783.95 : x
2. Step 2: Convert to fraction form
   10,259.98/14,158.94 = 5,783.95/x
3. Step 3: Cross multiply
   10,259.98x = 14,158.94 × 5,783.95
4. Step 4: Simplify right side
   10,259.98x = 81,894,589.79
5. Step 5: Solve for x
   x = 81,894,589.79/10,259.98
6. Step 6: Final answer
   x = 7,981.95