Finding the Fourth Proportional to 1,619,295.37, 2,429,783.69 and 660,454.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,295.37 : 2,429,783.69 = 660,454.43 : x
2. Step 2: Convert to fraction form
   1,619,295.37/2,429,783.69 = 660,454.43/x
3. Step 3: Cross multiply
   1,619,295.37x = 2,429,783.69 × 660,454.43
4. Step 4: Simplify right side
   1,619,295.37x = 1,604,761,386,551.06
5. Step 5: Solve for x
   x = 1,604,761,386,551.06/1,619,295.37
6. Step 6: Final answer
   x = 991,024.50