Finding the Fourth Proportional to 23,678,492.72, 32,676,348.84 and 12,813,476.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,678,492.72 : 32,676,348.84 = 12,813,476.72 : x
2. Step 2: Convert to fraction form
   23,678,492.72/32,676,348.84 = 12,813,476.72/x
3. Step 3: Cross multiply
   23,678,492.72x = 32,676,348.84 × 12,813,476.72
4. Step 4: Simplify right side
   23,678,492.72x = 418,697,635,155,939
5. Step 5: Solve for x
   x = 418,697,635,155,939/23,678,492.72
6. Step 6: Final answer
   x = 17,682,613.51