Finding the Fourth Proportional to 12,947,401,156.52, 17,867,223,444.56 and 7,231,768,994.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,947,401,156.52 : 17,867,223,444.56 = 7,231,768,994.93 : x
2. Step 2: Convert to fraction form
   12,947,401,156.52/17,867,223,444.56 = 7,231,768,994.93/x
3. Step 3: Cross multiply
   12,947,401,156.52x = 17,867,223,444.56 × 7,231,768,994.93
4. Step 4: Simplify right side
   12,947,401,156.52x = 129,211,632,531,855,425,536
5. Step 5: Solve for x
   x = 129,211,632,531,855,425,536/12,947,401,156.52
6. Step 6: Final answer
   x = 9,979,735,003.95