Finding the Fourth Proportional to 238,150.32, 328,651.20 and 130,730.28

Step by Step Solution

1. Step 1: Write the proportion equation
   238,150.32 : 328,651.20 = 130,730.28 : x
2. Step 2: Convert to fraction form
   238,150.32/328,651.20 = 130,730.28/x
3. Step 3: Cross multiply
   238,150.32x = 328,651.20 × 130,730.28
4. Step 4: Simplify right side
   238,150.32x = 42,964,663,398.34
5. Step 5: Solve for x
   x = 42,964,663,398.34/238,150.32
6. Step 6: Final answer
   x = 180,409.85