Finding the Fourth Proportional to 52,418.72, 72,326.55 and 31,193.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,418.72 : 72,326.55 = 31,193.84 : x
2. Step 2: Convert to fraction form
   52,418.72/72,326.55 = 31,193.84/x
3. Step 3: Cross multiply
   52,418.72x = 72,326.55 × 31,193.84
4. Step 4: Simplify right side
   52,418.72x = 2,256,142,828.45
5. Step 5: Solve for x
   x = 2,256,142,828.45/52,418.72
6. Step 6: Final answer
   x = 43,040.78