Finding the Fourth Proportional to 17,720,928, 24,454,890.72 and 9,572,166

Step by Step Solution

1. Step 1: Write the proportion equation
   17,720,928 : 24,454,890.72 = 9,572,166 : x
2. Step 2: Convert to fraction form
   17,720,928/24,454,890.72 = 9,572,166/x
3. Step 3: Cross multiply
   17,720,928x = 24,454,890.72 × 9,572,166
4. Step 4: Simplify right side
   17,720,928x = 234,086,273,483,699.50
5. Step 5: Solve for x
   x = 234,086,273,483,699.50/17,720,928
6. Step 6: Final answer
   x = 13,209,594.52