Finding the Fourth Proportional to 33,335.42, 50,003.18 and 13,613.98

Step by Step Solution

1. Step 1: Write the proportion equation
   33,335.42 : 50,003.18 = 13,613.98 : x
2. Step 2: Convert to fraction form
   33,335.42/50,003.18 = 13,613.98/x
3. Step 3: Cross multiply
   33,335.42x = 50,003.18 × 13,613.98
4. Step 4: Simplify right side
   33,335.42x = 680,742,201.48
5. Step 5: Solve for x
   x = 680,742,201.48/33,335.42
6. Step 6: Final answer
   x = 20,420.99