Finding the Fourth Proportional to 12,300,640.64, 18,443,599.68 and 4,210,922.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,640.64 : 18,443,599.68 = 4,210,922.24 : x
2. Step 2: Convert to fraction form
   12,300,640.64/18,443,599.68 = 4,210,922.24/x
3. Step 3: Cross multiply
   12,300,640.64x = 18,443,599.68 × 4,210,922.24
4. Step 4: Simplify right side
   12,300,640.64x = 77,664,564,078,168.89
5. Step 5: Solve for x
   x = 77,664,564,078,168.89/12,300,640.64
6. Step 6: Final answer
   x = 6,313,863.35