Finding the Fourth Proportional to 10,187.07, 14,058.54 and 5,710.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,187.07 : 14,058.54 = 5,710.91 : x
2. Step 2: Convert to fraction form
   10,187.07/14,058.54 = 5,710.91/x
3. Step 3: Cross multiply
   10,187.07x = 14,058.54 × 5,710.91
4. Step 4: Simplify right side
   10,187.07x = 80,287,056.67
5. Step 5: Solve for x
   x = 80,287,056.67/10,187.07
6. Step 6: Final answer
   x = 7,881.27