Finding the Fourth Proportional to 30,612,353.58, 42,245,039.94 and 16,861,317.71

Step by Step Solution

1. Step 1: Write the proportion equation
   30,612,353.58 : 42,245,039.94 = 16,861,317.71 : x
2. Step 2: Convert to fraction form
   30,612,353.58/42,245,039.94 = 16,861,317.71/x
3. Step 3: Cross multiply
   30,612,353.58x = 42,245,039.94 × 16,861,317.71
4. Step 4: Simplify right side
   30,612,353.58x = 712,307,039,888,754
5. Step 5: Solve for x
   x = 712,307,039,888,754/30,612,353.58
6. Step 6: Final answer
   x = 23,268,614.03