Finding the Fourth Proportional to 10,985, 16,476.98 and 3,588.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,985 : 16,476.98 = 3,588.52 : x
2. Step 2: Convert to fraction form
   10,985/16,476.98 = 3,588.52/x
3. Step 3: Cross multiply
   10,985x = 16,476.98 × 3,588.52
4. Step 4: Simplify right side
   10,985x = 59,127,972.27
5. Step 5: Solve for x
   x = 59,127,972.27/10,985
6. Step 6: Final answer
   x = 5,382.61