Finding the Fourth Proportional to 11,662.79, 17,494.12 and 2,897.70

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.79 : 17,494.12 = 2,897.70 : x
2. Step 2: Convert to fraction form
   11,662.79/17,494.12 = 2,897.70/x
3. Step 3: Cross multiply
   11,662.79x = 17,494.12 × 2,897.70
4. Step 4: Simplify right side
   11,662.79x = 50,692,711.52
5. Step 5: Solve for x
   x = 50,692,711.52/11,662.79
6. Step 6: Final answer
   x = 4,346.53