Finding the Fourth Proportional to 30,559,843.50, 42,178,574.79 and 17,515,845.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,559,843.50 : 42,178,574.79 = 17,515,845.15 : x
2. Step 2: Convert to fraction form
   30,559,843.50/42,178,574.79 = 17,515,845.15/x
3. Step 3: Cross multiply
   30,559,843.50x = 42,178,574.79 × 17,515,845.15
4. Step 4: Simplify right side
   30,559,843.50x = 738,793,384,669,333.75
5. Step 5: Solve for x
   x = 738,793,384,669,333.75/30,559,843.50
6. Step 6: Final answer
   x = 24,175,300.00