Finding the Fourth Proportional to 12,838,499.73, 17,687,353.12 and 8,964,885.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,838,499.73 : 17,687,353.12 = 8,964,885.33 : x
2. Step 2: Convert to fraction form
   12,838,499.73/17,687,353.12 = 8,964,885.33/x
3. Step 3: Cross multiply
   12,838,499.73x = 17,687,353.12 × 8,964,885.33
4. Step 4: Simplify right side
   12,838,499.73x = 158,565,092,489,605.50
5. Step 5: Solve for x
   x = 158,565,092,489,605.50/12,838,499.73
6. Step 6: Final answer
   x = 12,350,749.37