Finding the Fourth Proportional to 34,860.38, 52,480.24 and 31,760.30

Step by Step Solution

1. Step 1: Write the proportion equation
   34,860.38 : 52,480.24 = 31,760.30 : x
2. Step 2: Convert to fraction form
   34,860.38/52,480.24 = 31,760.30/x
3. Step 3: Cross multiply
   34,860.38x = 52,480.24 × 31,760.30
4. Step 4: Simplify right side
   34,860.38x = 1,666,788,218.27
5. Step 5: Solve for x
   x = 1,666,788,218.27/34,860.38
6. Step 6: Final answer
   x = 47,813.26