Finding the Fourth Proportional to 106,308.21, 159,501.03 and 49,408.38

Step by Step Solution

1. Step 1: Write the proportion equation
   106,308.21 : 159,501.03 = 49,408.38 : x
2. Step 2: Convert to fraction form
   106,308.21/159,501.03 = 49,408.38/x
3. Step 3: Cross multiply
   106,308.21x = 159,501.03 × 49,408.38
4. Step 4: Simplify right side
   106,308.21x = 7,880,687,500.63
5. Step 5: Solve for x
   x = 7,880,687,500.63/106,308.21
6. Step 6: Final answer
   x = 74,130.56