Finding the Fourth Proportional to 11,775.07, 17,655.95 and 3,875.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,775.07 : 17,655.95 = 3,875.46 : x
2. Step 2: Convert to fraction form
   11,775.07/17,655.95 = 3,875.46/x
3. Step 3: Cross multiply
   11,775.07x = 17,655.95 × 3,875.46
4. Step 4: Simplify right side
   11,775.07x = 68,424,871.47
5. Step 5: Solve for x
   x = 68,424,871.47/11,775.07
6. Step 6: Final answer
   x = 5,810.99