Finding the Fourth Proportional to 61,461.34, 84,724.50 and 50,113.42

Step by Step Solution

1. Step 1: Write the proportion equation
   61,461.34 : 84,724.50 = 50,113.42 : x
2. Step 2: Convert to fraction form
   61,461.34/84,724.50 = 50,113.42/x
3. Step 3: Cross multiply
   61,461.34x = 84,724.50 × 50,113.42
4. Step 4: Simplify right side
   61,461.34x = 4,245,834,452.79
5. Step 5: Solve for x
   x = 4,245,834,452.79/61,461.34
6. Step 6: Final answer
   x = 69,081.38