Finding the Fourth Proportional to 13,359,662,111.32, 18,435,828,628.38 and 7,419,597,250.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359,662,111.32 : 18,435,828,628.38 = 7,419,597,250.84 : x
2. Step 2: Convert to fraction form
   13,359,662,111.32/18,435,828,628.38 = 7,419,597,250.84/x
3. Step 3: Cross multiply
   13,359,662,111.32x = 18,435,828,628.38 × 7,419,597,250.84
4. Step 4: Simplify right side
   13,359,662,111.32x = 136,786,423,408,085,630,976
5. Step 5: Solve for x
   x = 136,786,423,408,085,630,976/13,359,662,111.32
6. Step 6: Final answer
   x = 10,238,763,695.39