Finding the Fourth Proportional to 10,010.15, 13,818.59 and 7,141.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.15 : 13,818.59 = 7,141.07 : x
2. Step 2: Convert to fraction form
   10,010.15/13,818.59 = 7,141.07/x
3. Step 3: Cross multiply
   10,010.15x = 13,818.59 × 7,141.07
4. Step 4: Simplify right side
   10,010.15x = 98,679,482.79
5. Step 5: Solve for x
   x = 98,679,482.79/10,010.15
6. Step 6: Final answer
   x = 9,857.94