Finding the Fourth Proportional to 238,390.83, 329,065.71 and 157,844.30

Step by Step Solution

1. Step 1: Write the proportion equation
   238,390.83 : 329,065.71 = 157,844.30 : x
2. Step 2: Convert to fraction form
   238,390.83/329,065.71 = 157,844.30/x
3. Step 3: Cross multiply
   238,390.83x = 329,065.71 × 157,844.30
4. Step 4: Simplify right side
   238,390.83x = 51,941,144,411.71
5. Step 5: Solve for x
   x = 51,941,144,411.71/238,390.83
6. Step 6: Final answer
   x = 217,882.31