Finding the Fourth Proportional to 12,215,353.52, 18,323,019.84 and 3,117,450.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215,353.52 : 18,323,019.84 = 3,117,450.38 : x
2. Step 2: Convert to fraction form
   12,215,353.52/18,323,019.84 = 3,117,450.38/x
3. Step 3: Cross multiply
   12,215,353.52x = 18,323,019.84 × 3,117,450.38
4. Step 4: Simplify right side
   12,215,353.52x = 57,121,105,071,340.44
5. Step 5: Solve for x
   x = 57,121,105,071,340.44/12,215,353.52
6. Step 6: Final answer
   x = 4,676,172.90