Finding the Fourth Proportional to 52,296.86, 72,175.77 and 31,076.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,296.86 : 72,175.77 = 31,076.12 : x
2. Step 2: Convert to fraction form
   52,296.86/72,175.77 = 31,076.12/x
3. Step 3: Cross multiply
   52,296.86x = 72,175.77 × 31,076.12
4. Step 4: Simplify right side
   52,296.86x = 2,242,942,528.73
5. Step 5: Solve for x
   x = 2,242,942,528.73/52,296.86
6. Step 6: Final answer
   x = 42,888.67