Finding the Fourth Proportional to 9,404,693,807.33, 12,978,479,572.61 and 5,175,605,695.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404,693,807.33 : 12,978,479,572.61 = 5,175,605,695.95 : x
2. Step 2: Convert to fraction form
   9,404,693,807.33/12,978,479,572.61 = 5,175,605,695.95/x
3. Step 3: Cross multiply
   9,404,693,807.33x = 12,978,479,572.61 × 5,175,605,695.95
4. Step 4: Simplify right side
   9,404,693,807.33x = 67,171,492,800,745,152,512
5. Step 5: Solve for x
   x = 67,171,492,800,745,152,512/9,404,693,807.33
6. Step 6: Final answer
   x = 7,142,337,026.26