Finding the Fourth Proportional to 160,422.45, 240,870.23 and 89,483.69

Step by Step Solution

1. Step 1: Write the proportion equation
   160,422.45 : 240,870.23 = 89,483.69 : x
2. Step 2: Convert to fraction form
   160,422.45/240,870.23 = 89,483.69/x
3. Step 3: Cross multiply
   160,422.45x = 240,870.23 × 89,483.69
4. Step 4: Simplify right side
   160,422.45x = 21,553,956,991.55
5. Step 5: Solve for x
   x = 21,553,956,991.55/160,422.45
6. Step 6: Final answer
   x = 134,357.49