Finding the Fourth Proportional to 13,870.73, 19,141.69 and 7,583.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,870.73 : 19,141.69 = 7,583.11 : x
2. Step 2: Convert to fraction form
   13,870.73/19,141.69 = 7,583.11/x
3. Step 3: Cross multiply
   13,870.73x = 19,141.69 × 7,583.11
4. Step 4: Simplify right side
   13,870.73x = 145,153,474.04
5. Step 5: Solve for x
   x = 145,153,474.04/13,870.73
6. Step 6: Final answer
   x = 10,464.73