Finding the Fourth Proportional to 2,624,365.76, 3,621,892.32 and 1,606,443.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624,365.76 : 3,621,892.32 = 1,606,443.20 : x
2. Step 2: Convert to fraction form
   2,624,365.76/3,621,892.32 = 1,606,443.20/x
3. Step 3: Cross multiply
   2,624,365.76x = 3,621,892.32 × 1,606,443.20
4. Step 4: Simplify right side
   2,624,365.76x = 5,818,364,288,596.22
5. Step 5: Solve for x
   x = 5,818,364,288,596.22/2,624,365.76
6. Step 6: Final answer
   x = 2,217,055.40