Finding the Fourth Proportional to 87,019.74, 130,529.72 and 23,840.40

Step by Step Solution

1. Step 1: Write the proportion equation
   87,019.74 : 130,529.72 = 23,840.40 : x
2. Step 2: Convert to fraction form
   87,019.74/130,529.72 = 23,840.40/x
3. Step 3: Cross multiply
   87,019.74x = 130,529.72 × 23,840.40
4. Step 4: Simplify right side
   87,019.74x = 3,111,880,736.69
5. Step 5: Solve for x
   x = 3,111,880,736.69/87,019.74
6. Step 6: Final answer
   x = 35,760.63