Finding the Fourth Proportional to 22,100,898.94, 30,495,191.78 and 12,311,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100,898.94 : 30,495,191.78 = 12,311,099.50 : x
2. Step 2: Convert to fraction form
   22,100,898.94/30,495,191.78 = 12,311,099.50/x
3. Step 3: Cross multiply
   22,100,898.94x = 30,495,191.78 × 12,311,099.50
4. Step 4: Simplify right side
   22,100,898.94x = 375,429,340,275,162.12
5. Step 5: Solve for x
   x = 375,429,340,275,162.12/22,100,898.94
6. Step 6: Final answer
   x = 16,987,061.99