Finding the Fourth Proportional to 47,630,034.90, 71,354,904.03 and 28,140,978.42

Step by Step Solution

1. Step 1: Write the proportion equation
   47,630,034.90 : 71,354,904.03 = 28,140,978.42 : x
2. Step 2: Convert to fraction form
   47,630,034.90/71,354,904.03 = 28,140,978.42/x
3. Step 3: Cross multiply
   47,630,034.90x = 71,354,904.03 × 28,140,978.42
4. Step 4: Simplify right side
   47,630,034.90x = 2,007,996,814,469,401.25
5. Step 5: Solve for x
   x = 2,007,996,814,469,401.25/47,630,034.90
6. Step 6: Final answer
   x = 42,158,205.82