Finding the Fourth Proportional to 22,869,145.92, 31,559,483.18 and 12,556,536.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,869,145.92 : 31,559,483.18 = 12,556,536.96 : x
2. Step 2: Convert to fraction form
   22,869,145.92/31,559,483.18 = 12,556,536.96/x
3. Step 3: Cross multiply
   22,869,145.92x = 31,559,483.18 × 12,556,536.96
4. Step 4: Simplify right side
   22,869,145.92x = 396,277,816,988,168.38
5. Step 5: Solve for x
   x = 396,277,816,988,168.38/22,869,145.92
6. Step 6: Final answer
   x = 17,328,054.94