Finding the Fourth Proportional to 11,871,498,234.39, 17,807,820,020.72 and 3,903,490,058.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,871,498,234.39 : 17,807,820,020.72 = 3,903,490,058.02 : x
2. Step 2: Convert to fraction form
   11,871,498,234.39/17,807,820,020.72 = 3,903,490,058.02/x
3. Step 3: Cross multiply
   11,871,498,234.39x = 17,807,820,020.72 × 3,903,490,058.02
4. Step 4: Simplify right side
   11,871,498,234.39x = 69,512,648,405,890,031,616
5. Step 5: Solve for x
   x = 69,512,648,405,890,031,616/11,871,498,234.39
6. Step 6: Final answer
   x = 5,855,423,387.47