Finding the Fourth Proportional to 13,359,662,128.32, 18,435,828,651.84 and 7,419,597,267.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359,662,128.32 : 18,435,828,651.84 = 7,419,597,267.84 : x
2. Step 2: Convert to fraction form
   13,359,662,128.32/18,435,828,651.84 = 7,419,597,267.84/x
3. Step 3: Cross multiply
   13,359,662,128.32x = 18,435,828,651.84 × 7,419,597,267.84
4. Step 4: Simplify right side
   13,359,662,128.32x = 136,786,423,895,558,455,296
5. Step 5: Solve for x
   x = 136,786,423,895,558,455,296/13,359,662,128.32
6. Step 6: Final answer
   x = 10,238,763,718.85