Finding the Fourth Proportional to 13,870.68, 19,141.72 and 7,583.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,870.68 : 19,141.72 = 7,583.06 : x
2. Step 2: Convert to fraction form
   13,870.68/19,141.72 = 7,583.06/x
3. Step 3: Cross multiply
   13,870.68x = 19,141.72 × 7,583.06
4. Step 4: Simplify right side
   13,870.68x = 145,152,811.26
5. Step 5: Solve for x
   x = 145,152,811.26/13,870.68
6. Step 6: Final answer
   x = 10,464.72