Finding the Fourth Proportional to 199,443.48, 299,077.50 and 74,697

Step by Step Solution

1. Step 1: Write the proportion equation
   199,443.48 : 299,077.50 = 74,697 : x
2. Step 2: Convert to fraction form
   199,443.48/299,077.50 = 74,697/x
3. Step 3: Cross multiply
   199,443.48x = 299,077.50 × 74,697
4. Step 4: Simplify right side
   199,443.48x = 22,340,192,017.50
5. Step 5: Solve for x
   x = 22,340,192,017.50/199,443.48
6. Step 6: Final answer
   x = 112,012.65