Finding the Fourth Proportional to 2,185,499.30, 3,281,201.40 and 1,388,337.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,499.30 : 3,281,201.40 = 1,388,337.80 : x
2. Step 2: Convert to fraction form
   2,185,499.30/3,281,201.40 = 1,388,337.80/x
3. Step 3: Cross multiply
   2,185,499.30x = 3,281,201.40 × 1,388,337.80
4. Step 4: Simplify right side
   2,185,499.30x = 4,555,415,933,032.92
5. Step 5: Solve for x
   x = 4,555,415,933,032.92/2,185,499.30
6. Step 6: Final answer
   x = 2,084,382.24