Finding the Fourth Proportional to 174,339.05, 261,507.35 and 49,680.05

Step by Step Solution

1. Step 1: Write the proportion equation
   174,339.05 : 261,507.35 = 49,680.05 : x
2. Step 2: Convert to fraction form
   174,339.05/261,507.35 = 49,680.05/x
3. Step 3: Cross multiply
   174,339.05x = 261,507.35 × 49,680.05
4. Step 4: Simplify right side
   174,339.05x = 12,991,697,040.03
5. Step 5: Solve for x
   x = 12,991,697,040.03/174,339.05
6. Step 6: Final answer
   x = 74,519.72