Finding the Fourth Proportional to 10,068.10, 13,889.15 and 7,085.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,068.10 : 13,889.15 = 7,085.59 : x
2. Step 2: Convert to fraction form
   10,068.10/13,889.15 = 7,085.59/x
3. Step 3: Cross multiply
   10,068.10x = 13,889.15 × 7,085.59
4. Step 4: Simplify right side
   10,068.10x = 98,412,752.90
5. Step 5: Solve for x
   x = 98,412,752.90/10,068.10
6. Step 6: Final answer
   x = 9,774.71