Finding the Fourth Proportional to 238,116.48, 328,604.75 and 130,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,116.48 : 328,604.75 = 130,696.50 : x
2. Step 2: Convert to fraction form
   238,116.48/328,604.75 = 130,696.50/x
3. Step 3: Cross multiply
   238,116.48x = 328,604.75 × 130,696.50
4. Step 4: Simplify right side
   238,116.48x = 42,947,490,054.89
5. Step 5: Solve for x
   x = 42,947,490,054.89/238,116.48
6. Step 6: Final answer
   x = 180,363.37