Finding the Fourth Proportional to 49,665.69, 74,547.50 and 36,481.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,665.69 : 74,547.50 = 36,481.05 : x
2. Step 2: Convert to fraction form
   49,665.69/74,547.50 = 36,481.05/x
3. Step 3: Cross multiply
   49,665.69x = 74,547.50 × 36,481.05
4. Step 4: Simplify right side
   49,665.69x = 2,719,570,892.47
5. Step 5: Solve for x
   x = 2,719,570,892.47/49,665.69
6. Step 6: Final answer
   x = 54,757.54