Finding the Fourth Proportional to 31,271.22, 46,906.56 and 7,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,271.22 : 46,906.56 = 7,897.50 : x
2. Step 2: Convert to fraction form
   31,271.22/46,906.56 = 7,897.50/x
3. Step 3: Cross multiply
   31,271.22x = 46,906.56 × 7,897.50
4. Step 4: Simplify right side
   31,271.22x = 370,444,557.60
5. Step 5: Solve for x
   x = 370,444,557.60/31,271.22
6. Step 6: Final answer
   x = 11,846.18