Finding the Fourth Proportional to 8,238,728,061.40, 12,348,536,943.30 and 3,328,177,840.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,238,728,061.40 : 12,348,536,943.30 = 3,328,177,840.60 : x
2. Step 2: Convert to fraction form
   8,238,728,061.40/12,348,536,943.30 = 3,328,177,840.60/x
3. Step 3: Cross multiply
   8,238,728,061.40x = 12,348,536,943.30 × 3,328,177,840.60
4. Step 4: Simplify right side
   8,238,728,061.40x = 41,098,127,018,521,518,080
5. Step 5: Solve for x
   x = 41,098,127,018,521,518,080/8,238,728,061.40
6. Step 6: Final answer
   x = 4,988,406,791.95