Finding the Fourth Proportional to 12,380,709,315.67, 17,086,096,152.21 and 9,323,412,501.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380,709,315.67 : 17,086,096,152.21 = 9,323,412,501.76 : x
2. Step 2: Convert to fraction form
   12,380,709,315.67/17,086,096,152.21 = 9,323,412,501.76/x
3. Step 3: Cross multiply
   12,380,709,315.67x = 17,086,096,152.21 × 9,323,412,501.76
4. Step 4: Simplify right side
   12,380,709,315.67x = 159,300,722,471,788,150,784
5. Step 5: Solve for x
   x = 159,300,722,471,788,150,784/12,380,709,315.67
6. Step 6: Final answer
   x = 12,866,849,419.54