Finding the Fourth Proportional to 52,262.15, 72,128.00 and 31,041.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,262.15 : 72,128.00 = 31,041.46 : x
2. Step 2: Convert to fraction form
   52,262.15/72,128.00 = 31,041.46/x
3. Step 3: Cross multiply
   52,262.15x = 72,128.00 × 31,041.46
4. Step 4: Simplify right side
   52,262.15x = 2,238,957,911.03
5. Step 5: Solve for x
   x = 2,238,957,911.03/52,262.15
6. Step 6: Final answer
   x = 42,840.91