Finding the Fourth Proportional to 12,786,492.72, 19,179,751.68 and 3,564,096.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,786,492.72 : 19,179,751.68 = 3,564,096.84 : x
2. Step 2: Convert to fraction form
   12,786,492.72/19,179,751.68 = 3,564,096.84/x
3. Step 3: Cross multiply
   12,786,492.72x = 19,179,751.68 × 3,564,096.84
4. Step 4: Simplify right side
   12,786,492.72x = 68,358,492,354,672.69
5. Step 5: Solve for x
   x = 68,358,492,354,672.69/12,786,492.72
6. Step 6: Final answer
   x = 5,346,148.77