Finding the Fourth Proportional to 10,830.78, 16,250.30 and 3,811.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.78 : 16,250.30 = 3,811.52 : x
2. Step 2: Convert to fraction form
   10,830.78/16,250.30 = 3,811.52/x
3. Step 3: Cross multiply
   10,830.78x = 16,250.30 × 3,811.52
4. Step 4: Simplify right side
   10,830.78x = 61,938,343.46
5. Step 5: Solve for x
   x = 61,938,343.46/10,830.78
6. Step 6: Final answer
   x = 5,718.73