Finding the Fourth Proportional to 13,230,736.63, 19,847,477.89 and 3,646,116.79

Step by Step Solution

1. Step 1: Write the proportion equation
   13,230,736.63 : 19,847,477.89 = 3,646,116.79 : x
2. Step 2: Convert to fraction form
   13,230,736.63/19,847,477.89 = 3,646,116.79/x
3. Step 3: Cross multiply
   13,230,736.63x = 19,847,477.89 × 3,646,116.79
4. Step 4: Simplify right side
   13,230,736.63x = 72,366,222,328,821.72
5. Step 5: Solve for x
   x = 72,366,222,328,821.72/13,230,736.63
6. Step 6: Final answer
   x = 5,469,553.54