Finding the Fourth Proportional to 33,766,572.72, 50,665,138.92 and 13,290,654

Step by Step Solution

1. Step 1: Write the proportion equation
   33,766,572.72 : 50,665,138.92 = 13,290,654 : x
2. Step 2: Convert to fraction form
   33,766,572.72/50,665,138.92 = 13,290,654/x
3. Step 3: Cross multiply
   33,766,572.72x = 50,665,138.92 × 13,290,654
4. Step 4: Simplify right side
   33,766,572.72x = 673,372,831,247,653.75
5. Step 5: Solve for x
   x = 673,372,831,247,653.75/33,766,572.72
6. Step 6: Final answer
   x = 19,941,995.20