Finding the Fourth Proportional to 174,019.61, 261,078.41 and 67,435.76

Step by Step Solution

1. Step 1: Write the proportion equation
   174,019.61 : 261,078.41 = 67,435.76 : x
2. Step 2: Convert to fraction form
   174,019.61/261,078.41 = 67,435.76/x
3. Step 3: Cross multiply
   174,019.61x = 261,078.41 × 67,435.76
4. Step 4: Simplify right side
   174,019.61x = 17,606,019,861.14
5. Step 5: Solve for x
   x = 17,606,019,861.14/174,019.61
6. Step 6: Final answer
   x = 101,172.62