Finding the Fourth Proportional to 53,355.72, 73,665.24 and 34,243.74

Step by Step Solution

1. Step 1: Write the proportion equation
   53,355.72 : 73,665.24 = 34,243.74 : x
2. Step 2: Convert to fraction form
   53,355.72/73,665.24 = 34,243.74/x
3. Step 3: Cross multiply
   53,355.72x = 73,665.24 × 34,243.74
4. Step 4: Simplify right side
   53,355.72x = 2,522,573,325.60
5. Step 5: Solve for x
   x = 2,522,573,325.60/53,355.72
6. Step 6: Final answer
   x = 47,278.40