Finding the Fourth Proportional to 30,608,321.67, 42,241,392.78 and 16,857,282.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,608,321.67 : 42,241,392.78 = 16,857,282.15 : x
2. Step 2: Convert to fraction form
   30,608,321.67/42,241,392.78 = 16,857,282.15/x
3. Step 3: Cross multiply
   30,608,321.67x = 42,241,392.78 × 16,857,282.15
4. Step 4: Simplify right side
   30,608,321.67x = 712,075,076,501,432.88
5. Step 5: Solve for x
   x = 712,075,076,501,432.88/30,608,321.67
6. Step 6: Final answer
   x = 23,264,100.66