Finding the Fourth Proportional to 30,839,588,686.26, 42,548,459,185.50 and 18,627,730,826.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,839,588,686.26 : 42,548,459,185.50 = 18,627,730,826.69 : x
2. Step 2: Convert to fraction form
   30,839,588,686.26/42,548,459,185.50 = 18,627,730,826.69/x
3. Step 3: Cross multiply
   30,839,588,686.26x = 42,548,459,185.50 × 18,627,730,826.69
4. Step 4: Simplify right side
   30,839,588,686.26x = 792,581,244,797,899,636,736
5. Step 5: Solve for x
   x = 792,581,244,797,899,636,736/30,839,588,686.26
6. Step 6: Final answer
   x = 25,700,123,722.82