Finding the Fourth Proportional to 12,238,747,064.10, 18,358,120,596.15 and 3,958,471,131.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238,747,064.10 : 18,358,120,596.15 = 3,958,471,131.30 : x
2. Step 2: Convert to fraction form
   12,238,747,064.10/18,358,120,596.15 = 3,958,471,131.30/x
3. Step 3: Cross multiply
   12,238,747,064.10x = 18,358,120,596.15 × 3,958,471,131.30
4. Step 4: Simplify right side
   12,238,747,064.10x = 72,670,090,404,783,726,592
5. Step 5: Solve for x
   x = 72,670,090,404,783,726,592/12,238,747,064.10
6. Step 6: Final answer
   x = 5,937,706,696.95