Finding the Fourth Proportional to 146,385.20, 201,933.63 and 89,042.06

Step by Step Solution

1. Step 1: Write the proportion equation
   146,385.20 : 201,933.63 = 89,042.06 : x
2. Step 2: Convert to fraction form
   146,385.20/201,933.63 = 89,042.06/x
3. Step 3: Cross multiply
   146,385.20x = 201,933.63 × 89,042.06
4. Step 4: Simplify right side
   146,385.20x = 17,980,585,388.81
5. Step 5: Solve for x
   x = 17,980,585,388.81/146,385.20
6. Step 6: Final answer
   x = 122,830.63