Finding the Fourth Proportional to 10,256,515,833.34, 14,154,434,203.62 and 5,678,780,215.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,256,515,833.34 : 14,154,434,203.62 = 5,678,780,215.69 : x
2. Step 2: Convert to fraction form
   10,256,515,833.34/14,154,434,203.62 = 5,678,780,215.69/x
3. Step 3: Cross multiply
   10,256,515,833.34x = 14,154,434,203.62 × 5,678,780,215.69
4. Step 4: Simplify right side
   10,256,515,833.34x = 80,379,920,919,835,590,656
5. Step 5: Solve for x
   x = 80,379,920,919,835,590,656/10,256,515,833.34
6. Step 6: Final answer
   x = 7,836,961,617.96