Finding the Fourth Proportional to 22,779,424.84, 31,450,277.56 and 20,327,819.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,779,424.84 : 31,450,277.56 = 20,327,819.72 : x
2. Step 2: Convert to fraction form
   22,779,424.84/31,450,277.56 = 20,327,819.72/x
3. Step 3: Cross multiply
   22,779,424.84x = 31,450,277.56 × 20,327,819.72
4. Step 4: Simplify right side
   22,779,424.84x = 639,315,572,383,641.38
5. Step 5: Solve for x
   x = 639,315,572,383,641.38/22,779,424.84
6. Step 6: Final answer
   x = 28,065,483.52