Finding the Fourth Proportional to 90,141, 135,182.75 and 30,962.40

Step by Step Solution

1. Step 1: Write the proportion equation
   90,141 : 135,182.75 = 30,962.40 : x
2. Step 2: Convert to fraction form
   90,141/135,182.75 = 30,962.40/x
3. Step 3: Cross multiply
   90,141x = 135,182.75 × 30,962.40
4. Step 4: Simplify right side
   90,141x = 4,185,582,223.79
5. Step 5: Solve for x
   x = 4,185,582,223.79/90,141
6. Step 6: Final answer
   x = 46,433.72