Finding the Fourth Proportional to 10,267.72, 14,175.78 and 7,905.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.72 : 14,175.78 = 7,905.32 : x
2. Step 2: Convert to fraction form
   10,267.72/14,175.78 = 7,905.32/x
3. Step 3: Cross multiply
   10,267.72x = 14,175.78 × 7,905.32
4. Step 4: Simplify right side
   10,267.72x = 112,064,077.15
5. Step 5: Solve for x
   x = 112,064,077.15/10,267.72
6. Step 6: Final answer
   x = 10,914.21