Finding the Fourth Proportional to 36,779,559.24, 50,755,788.20 and 21,318,612

Step by Step Solution

1. Step 1: Write the proportion equation
   36,779,559.24 : 50,755,788.20 = 21,318,612 : x
2. Step 2: Convert to fraction form
   36,779,559.24/50,755,788.20 = 21,318,612/x
3. Step 3: Cross multiply
   36,779,559.24x = 50,755,788.20 × 21,318,612
4. Step 4: Simplify right side
   36,779,559.24x = 1,082,042,955,389,978.50
5. Step 5: Solve for x
   x = 1,082,042,955,389,978.50/36,779,559.24
6. Step 6: Final answer
   x = 29,419,682.50