Finding the Fourth Proportional to 31,096.71, 46,646.69 and 8,907.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.71 : 46,646.69 = 8,907.98 : x
2. Step 2: Convert to fraction form
   31,096.71/46,646.69 = 8,907.98/x
3. Step 3: Cross multiply
   31,096.71x = 46,646.69 × 8,907.98
4. Step 4: Simplify right side
   31,096.71x = 415,527,503.81
5. Step 5: Solve for x
   x = 415,527,503.81/31,096.71
6. Step 6: Final answer
   x = 13,362.43