Finding the Fourth Proportional to 9,826,747,661.76, 13,560,910,771.68 and 5,371,429,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826,747,661.76 : 13,560,910,771.68 = 5,371,429,830.72 : x
2. Step 2: Convert to fraction form
   9,826,747,661.76/13,560,910,771.68 = 5,371,429,830.72/x
3. Step 3: Cross multiply
   9,826,747,661.76x = 13,560,910,771.68 × 5,371,429,830.72
4. Step 4: Simplify right side
   9,826,747,661.76x = 72,841,480,650,734,133,248
5. Step 5: Solve for x
   x = 72,841,480,650,734,133,248/9,826,747,661.76
6. Step 6: Final answer
   x = 7,412,572,618.93