Finding the Fourth Proportional to 19,386,359,964.02, 29,019,897,528.18 and 12,648,994,739.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,386,359,964.02 : 29,019,897,528.18 = 12,648,994,739.98 : x
2. Step 2: Convert to fraction form
   19,386,359,964.02/29,019,897,528.18 = 12,648,994,739.98/x
3. Step 3: Cross multiply
   19,386,359,964.02x = 29,019,897,528.18 × 12,648,994,739.98
4. Step 4: Simplify right side
   19,386,359,964.02x = 367,072,531,188,707,426,304
5. Step 5: Solve for x
   x = 367,072,531,188,707,426,304/19,386,359,964.02
6. Step 6: Final answer
   x = 18,934,577,294.03