Finding the Fourth Proportional to 238,061.16, 328,513.12 and 130,628.84

Step by Step Solution

1. Step 1: Write the proportion equation
   238,061.16 : 328,513.12 = 130,628.84 : x
2. Step 2: Convert to fraction form
   238,061.16/328,513.12 = 130,628.84/x
3. Step 3: Cross multiply
   238,061.16x = 328,513.12 × 130,628.84
4. Step 4: Simplify right side
   238,061.16x = 42,913,285,821.24
5. Step 5: Solve for x
   x = 42,913,285,821.24/238,061.16
6. Step 6: Final answer
   x = 180,261.60