Finding the Fourth Proportional to 12,807,910,784.34, 17,672,403,207.33 and 8,047,428,377.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,910,784.34 : 17,672,403,207.33 = 8,047,428,377.94 : x
2. Step 2: Convert to fraction form
   12,807,910,784.34/17,672,403,207.33 = 8,047,428,377.94/x
3. Step 3: Cross multiply
   12,807,910,784.34x = 17,672,403,207.33 × 8,047,428,377.94
4. Step 4: Simplify right side
   12,807,910,784.34x = 142,217,399,077,065,326,592
5. Step 5: Solve for x
   x = 142,217,399,077,065,326,592/12,807,910,784.34
6. Step 6: Final answer
   x = 11,103,871,776.73