Finding the Fourth Proportional to 11,719.59, 17,580.75 and 4,702.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,719.59 : 17,580.75 = 4,702.05 : x
2. Step 2: Convert to fraction form
   11,719.59/17,580.75 = 4,702.05/x
3. Step 3: Cross multiply
   11,719.59x = 17,580.75 × 4,702.05
4. Step 4: Simplify right side
   11,719.59x = 82,665,547.90
5. Step 5: Solve for x
   x = 82,665,547.90/11,719.59
6. Step 6: Final answer
   x = 7,053.62