Finding the Fourth Proportional to 847,078,105.19, 1,270,821,423.58 and 294,300,091.67

Step by Step Solution

1. Step 1: Write the proportion equation
   847,078,105.19 : 1,270,821,423.58 = 294,300,091.67 : x
2. Step 2: Convert to fraction form
   847,078,105.19/1,270,821,423.58 = 294,300,091.67/x
3. Step 3: Cross multiply
   847,078,105.19x = 1,270,821,423.58 × 294,300,091.67
4. Step 4: Simplify right side
   847,078,105.19x = 374,002,861,448,704,128
5. Step 5: Solve for x
   x = 374,002,861,448,704,128/847,078,105.19
6. Step 6: Final answer
   x = 441,521,105.50