Finding the Fourth Proportional to 10,125.34, 13,970.72 and 5,877.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,125.34 : 13,970.72 = 5,877.12 : x
2. Step 2: Convert to fraction form
   10,125.34/13,970.72 = 5,877.12/x
3. Step 3: Cross multiply
   10,125.34x = 13,970.72 × 5,877.12
4. Step 4: Simplify right side
   10,125.34x = 82,107,597.93
5. Step 5: Solve for x
   x = 82,107,597.93/10,125.34
6. Step 6: Final answer
   x = 8,109.12