Finding the Fourth Proportional to 41,929,290.17, 62,900,753.78 and 12,388,477.89

Step by Step Solution

1. Step 1: Write the proportion equation
   41,929,290.17 : 62,900,753.78 = 12,388,477.89 : x
2. Step 2: Convert to fraction form
   41,929,290.17/62,900,753.78 = 12,388,477.89/x
3. Step 3: Cross multiply
   41,929,290.17x = 62,900,753.78 × 12,388,477.89
4. Step 4: Simplify right side
   41,929,290.17x = 779,244,597,405,921.50
5. Step 5: Solve for x
   x = 779,244,597,405,921.50/41,929,290.17
6. Step 6: Final answer
   x = 18,584,731.44