Finding the Fourth Proportional to 3,630,059.21, 5,009,402.88 and 1,998,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630,059.21 : 5,009,402.88 = 1,998,404.12 : x
2. Step 2: Convert to fraction form
   3,630,059.21/5,009,402.88 = 1,998,404.12/x
3. Step 3: Cross multiply
   3,630,059.21x = 5,009,402.88 × 1,998,404.12
4. Step 4: Simplify right side
   3,630,059.21x = 10,010,811,366,655.37
5. Step 5: Solve for x
   x = 10,010,811,366,655.37/3,630,059.21
6. Step 6: Final answer
   x = 2,757,754.29