Finding the Fourth Proportional to 14,477,128.56, 21,715,678.79 and 3,694,429.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,477,128.56 : 21,715,678.79 = 3,694,429.48 : x
2. Step 2: Convert to fraction form
   14,477,128.56/21,715,678.79 = 3,694,429.48/x
3. Step 3: Cross multiply
   14,477,128.56x = 21,715,678.79 × 3,694,429.48
4. Step 4: Simplify right side
   14,477,128.56x = 80,227,043,899,986.72
5. Step 5: Solve for x
   x = 80,227,043,899,986.72/14,477,128.56
6. Step 6: Final answer
   x = 5,541,640.63