Finding the Fourth Proportional to 12,892,287,816.69, 19,338,430,478.49 and 3,576,036,151.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892,287,816.69 : 19,338,430,478.49 = 3,576,036,151.23 : x
2. Step 2: Convert to fraction form
   12,892,287,816.69/19,338,430,478.49 = 3,576,036,151.23/x
3. Step 3: Cross multiply
   12,892,287,816.69x = 19,338,430,478.49 × 3,576,036,151.23
4. Step 4: Simplify right side
   12,892,287,816.69x = 69,154,926,499,128,311,808
5. Step 5: Solve for x
   x = 69,154,926,499,128,311,808/12,892,287,816.69
6. Step 6: Final answer
   x = 5,364,053,881.08