Finding the Fourth Proportional to 30,579,141.69, 42,199,221.32 and 16,828,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,579,141.69 : 42,199,221.32 = 16,828,105.82 : x
2. Step 2: Convert to fraction form
   30,579,141.69/42,199,221.32 = 16,828,105.82/x
3. Step 3: Cross multiply
   30,579,141.69x = 42,199,221.32 × 16,828,105.82
4. Step 4: Simplify right side
   30,579,141.69x = 710,132,961,599,423.50
5. Step 5: Solve for x
   x = 710,132,961,599,423.50/30,579,141.69
6. Step 6: Final answer
   x = 23,222,789.21