Finding the Fourth Proportional to 11,904.47, 17,832.46 and 7,731.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,904.47 : 17,832.46 = 7,731.82 : x
2. Step 2: Convert to fraction form
   11,904.47/17,832.46 = 7,731.82/x
3. Step 3: Cross multiply
   11,904.47x = 17,832.46 × 7,731.82
4. Step 4: Simplify right side
   11,904.47x = 137,877,281.71
5. Step 5: Solve for x
   x = 137,877,281.71/11,904.47
6. Step 6: Final answer
   x = 11,581.98