Finding the Fourth Proportional to 238,142.82, 328,641.33 and 130,722.84

Step by Step Solution

1. Step 1: Write the proportion equation
   238,142.82 : 328,641.33 = 130,722.84 : x
2. Step 2: Convert to fraction form
   238,142.82/328,641.33 = 130,722.84/x
3. Step 3: Cross multiply
   238,142.82x = 328,641.33 × 130,722.84
4. Step 4: Simplify right side
   238,142.82x = 42,960,927,998.98
5. Step 5: Solve for x
   x = 42,960,927,998.98/238,142.82
6. Step 6: Final answer
   x = 180,399.85