Finding the Fourth Proportional to 22,098,514.72, 30,493,617.68 and 12,808,998.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,098,514.72 : 30,493,617.68 = 12,808,998.94 : x
2. Step 2: Convert to fraction form
   22,098,514.72/30,493,617.68 = 12,808,998.94/x
3. Step 3: Cross multiply
   22,098,514.72x = 30,493,617.68 × 12,808,998.94
4. Step 4: Simplify right side
   22,098,514.72x = 390,592,716,539,885.25
5. Step 5: Solve for x
   x = 390,592,716,539,885.25/22,098,514.72
6. Step 6: Final answer
   x = 17,675,066.47