Finding the Fourth Proportional to 53,889.30, 74,367.25 and 31,241.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,889.30 : 74,367.25 = 31,241.42 : x
2. Step 2: Convert to fraction form
   53,889.30/74,367.25 = 31,241.42/x
3. Step 3: Cross multiply
   53,889.30x = 74,367.25 × 31,241.42
4. Step 4: Simplify right side
   53,889.30x = 2,323,338,661.39
5. Step 5: Solve for x
   x = 2,323,338,661.39/53,889.30
6. Step 6: Final answer
   x = 43,113.17