Finding the Fourth Proportional to 10,373.89, 15,554.57 and 4,134.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,373.89 : 15,554.57 = 4,134.86 : x
2. Step 2: Convert to fraction form
   10,373.89/15,554.57 = 4,134.86/x
3. Step 3: Cross multiply
   10,373.89x = 15,554.57 × 4,134.86
4. Step 4: Simplify right side
   10,373.89x = 64,315,969.31
5. Step 5: Solve for x
   x = 64,315,969.31/10,373.89
6. Step 6: Final answer
   x = 6,199.79