Finding the Fourth Proportional to 10,603.40, 14,631.32 and 5,886.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,603.40 : 14,631.32 = 5,886.77 : x
2. Step 2: Convert to fraction form
   10,603.40/14,631.32 = 5,886.77/x
3. Step 3: Cross multiply
   10,603.40x = 14,631.32 × 5,886.77
4. Step 4: Simplify right side
   10,603.40x = 86,131,186.20
5. Step 5: Solve for x
   x = 86,131,186.20/10,603.40
6. Step 6: Final answer
   x = 8,122.98