Finding the Fourth Proportional to 10,865.72, 14,994.70 and 5,897.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.72 : 14,994.70 = 5,897.72 : x
2. Step 2: Convert to fraction form
   10,865.72/14,994.70 = 5,897.72/x
3. Step 3: Cross multiply
   10,865.72x = 14,994.70 × 5,897.72
4. Step 4: Simplify right side
   10,865.72x = 88,434,542.08
5. Step 5: Solve for x
   x = 88,434,542.08/10,865.72
6. Step 6: Final answer
   x = 8,138.86