Finding the Fourth Proportional to 299,164.72, 448,615.50 and 112,045

Step by Step Solution

1. Step 1: Write the proportion equation
   299,164.72 : 448,615.50 = 112,045 : x
2. Step 2: Convert to fraction form
   299,164.72/448,615.50 = 112,045/x
3. Step 3: Cross multiply
   299,164.72x = 448,615.50 × 112,045
4. Step 4: Simplify right side
   299,164.72x = 50,265,123,697.50
5. Step 5: Solve for x
   x = 50,265,123,697.50/299,164.72
6. Step 6: Final answer
   x = 168,018.22