Finding the Fourth Proportional to 6,520,243.99, 8,997,485.31 and 3,619,405.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,520,243.99 : 8,997,485.31 = 3,619,405.57 : x
2. Step 2: Convert to fraction form
   6,520,243.99/8,997,485.31 = 3,619,405.57/x
3. Step 3: Cross multiply
   6,520,243.99x = 8,997,485.31 × 3,619,405.57
4. Step 4: Simplify right side
   6,520,243.99x = 32,565,548,447,007.18
5. Step 5: Solve for x
   x = 32,565,548,447,007.18/6,520,243.99
6. Step 6: Final answer
   x = 4,994,529.12