Finding the Fourth Proportional to 17,231,832.10, 23,779,518.69 and 9,391,591.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,231,832.10 : 23,779,518.69 = 9,391,591.90 : x
2. Step 2: Convert to fraction form
   17,231,832.10/23,779,518.69 = 9,391,591.90/x
3. Step 3: Cross multiply
   17,231,832.10x = 23,779,518.69 × 9,391,591.90
4. Step 4: Simplify right side
   17,231,832.10x = 223,327,534,996,005.03
5. Step 5: Solve for x
   x = 223,327,534,996,005.03/17,231,832.10
6. Step 6: Final answer
   x = 12,960,173.58