Finding the Fourth Proportional to 160,429, 240,880.04 and 89,490.22

Step by Step Solution

1. Step 1: Write the proportion equation
   160,429 : 240,880.04 = 89,490.22 : x
2. Step 2: Convert to fraction form
   160,429/240,880.04 = 89,490.22/x
3. Step 3: Cross multiply
   160,429x = 240,880.04 × 89,490.22
4. Step 4: Simplify right side
   160,429x = 21,556,407,773.21
5. Step 5: Solve for x
   x = 21,556,407,773.21/160,429
6. Step 6: Final answer
   x = 134,367.28