Finding the Fourth Proportional to 22,429,730.34, 30,953,939.04 and 12,640,587.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,429,730.34 : 30,953,939.04 = 12,640,587.12 : x
2. Step 2: Convert to fraction form
   22,429,730.34/30,953,939.04 = 12,640,587.12/x
3. Step 3: Cross multiply
   22,429,730.34x = 30,953,939.04 × 12,640,587.12
4. Step 4: Simplify right side
   22,429,730.34x = 391,275,963,142,289.12
5. Step 5: Solve for x
   x = 391,275,963,142,289.12/22,429,730.34
6. Step 6: Final answer
   x = 17,444,523.73