Finding the Fourth Proportional to 30,559,846.50, 42,178,578.93 and 17,515,848.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,559,846.50 : 42,178,578.93 = 17,515,848.15 : x
2. Step 2: Convert to fraction form
   30,559,846.50/42,178,578.93 = 17,515,848.15/x
3. Step 3: Cross multiply
   30,559,846.50x = 42,178,578.93 × 17,515,848.15
4. Step 4: Simplify right side
   30,559,846.50x = 738,793,583,720,669.38
5. Step 5: Solve for x
   x = 738,793,583,720,669.38/30,559,846.50
6. Step 6: Final answer
   x = 24,175,304.14