Finding the Fourth Proportional to 15,259.56, 22,890.15 and 4,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,259.56 : 22,890.15 = 4,870.50 : x
2. Step 2: Convert to fraction form
   15,259.56/22,890.15 = 4,870.50/x
3. Step 3: Cross multiply
   15,259.56x = 22,890.15 × 4,870.50
4. Step 4: Simplify right side
   15,259.56x = 111,486,475.58
5. Step 5: Solve for x
   x = 111,486,475.58/15,259.56
6. Step 6: Final answer
   x = 7,306.01