Finding the Fourth Proportional to 11,631.89, 17,437.59 and 4,616.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,631.89 : 17,437.59 = 4,616.83 : x
2. Step 2: Convert to fraction form
   11,631.89/17,437.59 = 4,616.83/x
3. Step 3: Cross multiply
   11,631.89x = 17,437.59 × 4,616.83
4. Step 4: Simplify right side
   11,631.89x = 80,506,278.37
5. Step 5: Solve for x
   x = 80,506,278.37/11,631.89
6. Step 6: Final answer
   x = 6,921.17