Finding the Fourth Proportional to 11,840.11, 16,337.05 and 7,124.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,840.11 : 16,337.05 = 7,124.69 : x
2. Step 2: Convert to fraction form
   11,840.11/16,337.05 = 7,124.69/x
3. Step 3: Cross multiply
   11,840.11x = 16,337.05 × 7,124.69
4. Step 4: Simplify right side
   11,840.11x = 116,396,416.76
5. Step 5: Solve for x
   x = 116,396,416.76/11,840.11
6. Step 6: Final answer
   x = 9,830.69