Finding the Fourth Proportional to 260,839.34, 359,962.02 and 151,940.88

Step by Step Solution

1. Step 1: Write the proportion equation
   260,839.34 : 359,962.02 = 151,940.88 : x
2. Step 2: Convert to fraction form
   260,839.34/359,962.02 = 151,940.88/x
3. Step 3: Cross multiply
   260,839.34x = 359,962.02 × 151,940.88
4. Step 4: Simplify right side
   260,839.34x = 54,692,946,085.38
5. Step 5: Solve for x
   x = 54,692,946,085.38/260,839.34
6. Step 6: Final answer
   x = 209,680.59