Finding the Fourth Proportional to 160,422.82, 240,870.79 and 89,484.06

Step by Step Solution

1. Step 1: Write the proportion equation
   160,422.82 : 240,870.79 = 89,484.06 : x
2. Step 2: Convert to fraction form
   160,422.82/240,870.79 = 89,484.06/x
3. Step 3: Cross multiply
   160,422.82x = 240,870.79 × 89,484.06
4. Step 4: Simplify right side
   160,422.82x = 21,554,096,224.61
5. Step 5: Solve for x
   x = 21,554,096,224.61/160,422.82
6. Step 6: Final answer
   x = 134,358.04