Finding the Fourth Proportional to 30,542,142.35, 42,147,778.52 and 16,790,986.19

Step by Step Solution

1. Step 1: Write the proportion equation
   30,542,142.35 : 42,147,778.52 = 16,790,986.19 : x
2. Step 2: Convert to fraction form
   30,542,142.35/42,147,778.52 = 16,790,986.19/x
3. Step 3: Cross multiply
   30,542,142.35x = 42,147,778.52 × 16,790,986.19
4. Step 4: Simplify right side
   30,542,142.35x = 707,702,767,068,498.75
5. Step 5: Solve for x
   x = 707,702,767,068,498.75/30,542,142.35
6. Step 6: Final answer
   x = 23,171,353.17