Finding the Fourth Proportional to 8,989,465.50, 12,405,462.42 and 4,915,084.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,989,465.50 : 12,405,462.42 = 4,915,084.50 : x
2. Step 2: Convert to fraction form
   8,989,465.50/12,405,462.42 = 4,915,084.50/x
3. Step 3: Cross multiply
   8,989,465.50x = 12,405,462.42 × 4,915,084.50
4. Step 4: Simplify right side
   8,989,465.50x = 60,973,896,055,874.49
5. Step 5: Solve for x
   x = 60,973,896,055,874.49/8,989,465.50
6. Step 6: Final answer
   x = 6,782,816.63