Finding the Fourth Proportional to 174,636.69, 261,736.05 and 74,679.57

Step by Step Solution

1. Step 1: Write the proportion equation
   174,636.69 : 261,736.05 = 74,679.57 : x
2. Step 2: Convert to fraction form
   174,636.69/261,736.05 = 74,679.57/x
3. Step 3: Cross multiply
   174,636.69x = 261,736.05 × 74,679.57
4. Step 4: Simplify right side
   174,636.69x = 19,546,335,667.50
5. Step 5: Solve for x
   x = 19,546,335,667.50/174,636.69
6. Step 6: Final answer
   x = 111,925.71