Finding the Fourth Proportional to 12,948.56, 17,879.06 and 10,111.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.56 : 17,879.06 = 10,111.01 : x
2. Step 2: Convert to fraction form
   12,948.56/17,879.06 = 10,111.01/x
3. Step 3: Cross multiply
   12,948.56x = 17,879.06 × 10,111.01
4. Step 4: Simplify right side
   12,948.56x = 180,775,214.50
5. Step 5: Solve for x
   x = 180,775,214.50/12,948.56
6. Step 6: Final answer
   x = 13,961.03