Finding the Fourth Proportional to 3,168,436.37, 4,373,002.01 and 1,861,688.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,168,436.37 : 4,373,002.01 = 1,861,688.15 : x
2. Step 2: Convert to fraction form
   3,168,436.37/4,373,002.01 = 1,861,688.15/x
3. Step 3: Cross multiply
   3,168,436.37x = 4,373,002.01 × 1,861,688.15
4. Step 4: Simplify right side
   3,168,436.37x = 8,141,166,021,943.18
5. Step 5: Solve for x
   x = 8,141,166,021,943.18/3,168,436.37
6. Step 6: Final answer
   x = 2,569,458.58