Finding the Fourth Proportional to 13,830.24, 19,082.52 and 7,860.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,830.24 : 19,082.52 = 7,860.48 : x
2. Step 2: Convert to fraction form
   13,830.24/19,082.52 = 7,860.48/x
3. Step 3: Cross multiply
   13,830.24x = 19,082.52 × 7,860.48
4. Step 4: Simplify right side
   13,830.24x = 149,997,766.81
5. Step 5: Solve for x
   x = 149,997,766.81/13,830.24
6. Step 6: Final answer
   x = 10,845.64