Finding the Fourth Proportional to 11,379.31, 17,068.12 and 5,056.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,379.31 : 17,068.12 = 5,056.18 : x
2. Step 2: Convert to fraction form
   11,379.31/17,068.12 = 5,056.18/x
3. Step 3: Cross multiply
   11,379.31x = 17,068.12 × 5,056.18
4. Step 4: Simplify right side
   11,379.31x = 86,299,486.98
5. Step 5: Solve for x
   x = 86,299,486.98/11,379.31
6. Step 6: Final answer
   x = 7,583.89