Finding the Fourth Proportional to 71,066.49, 106,655.45 and 49,579.47

Step by Step Solution

1. Step 1: Write the proportion equation
   71,066.49 : 106,655.45 = 49,579.47 : x
2. Step 2: Convert to fraction form
   71,066.49/106,655.45 = 49,579.47/x
3. Step 3: Cross multiply
   71,066.49x = 106,655.45 × 49,579.47
4. Step 4: Simplify right side
   71,066.49x = 5,287,920,683.61
5. Step 5: Solve for x
   x = 5,287,920,683.61/71,066.49
6. Step 6: Final answer
   x = 74,408.07