Finding the Fourth Proportional to 13,308,648.38, 19,960,970.24 and 3,722,784.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308,648.38 : 19,960,970.24 = 3,722,784.38 : x
2. Step 2: Convert to fraction form
   13,308,648.38/19,960,970.24 = 3,722,784.38/x
3. Step 3: Cross multiply
   13,308,648.38x = 19,960,970.24 × 3,722,784.38
4. Step 4: Simplify right side
   13,308,648.38x = 74,310,388,219,116.84
5. Step 5: Solve for x
   x = 74,310,388,219,116.84/13,308,648.38
6. Step 6: Final answer
   x = 5,583,616.46