Finding the Fourth Proportional to 30,697,489.55, 42,361,423.31 and 16,946,158.43

Step by Step Solution

1. Step 1: Write the proportion equation
   30,697,489.55 : 42,361,423.31 = 16,946,158.43 : x
2. Step 2: Convert to fraction form
   30,697,489.55/42,361,423.31 = 16,946,158.43/x
3. Step 3: Cross multiply
   30,697,489.55x = 42,361,423.31 × 16,946,158.43
4. Step 4: Simplify right side
   30,697,489.55x = 717,863,390,435,017.12
5. Step 5: Solve for x
   x = 717,863,390,435,017.12/30,697,489.55
6. Step 6: Final answer
   x = 23,385,084.61