Finding the Fourth Proportional to 30,790,146.47, 42,490,514.76 and 16,661,333

Step by Step Solution

1. Step 1: Write the proportion equation
   30,790,146.47 : 42,490,514.76 = 16,661,333 : x
2. Step 2: Convert to fraction form
   30,790,146.47/42,490,514.76 = 16,661,333/x
3. Step 3: Cross multiply
   30,790,146.47x = 42,490,514.76 × 16,661,333
4. Step 4: Simplify right side
   30,790,146.47x = 707,948,615,757,775
5. Step 5: Solve for x
   x = 707,948,615,757,775/30,790,146.47
6. Step 6: Final answer
   x = 22,992,700.49