Finding the Fourth Proportional to 11,432.01, 17,147.91 and 3,111.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,432.01 : 17,147.91 = 3,111.99 : x
2. Step 2: Convert to fraction form
   11,432.01/17,147.91 = 3,111.99/x
3. Step 3: Cross multiply
   11,432.01x = 17,147.91 × 3,111.99
4. Step 4: Simplify right side
   11,432.01x = 53,364,124.44
5. Step 5: Solve for x
   x = 53,364,124.44/11,432.01
6. Step 6: Final answer
   x = 4,667.96