Finding the Fourth Proportional to 1,866,443.52, 2,800,111.20 and 604,272.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,443.52 : 2,800,111.20 = 604,272.48 : x
2. Step 2: Convert to fraction form
   1,866,443.52/2,800,111.20 = 604,272.48/x
3. Step 3: Cross multiply
   1,866,443.52x = 2,800,111.20 × 604,272.48
4. Step 4: Simplify right side
   1,866,443.52x = 1,692,030,139,099.78
5. Step 5: Solve for x
   x = 1,692,030,139,099.78/1,866,443.52
6. Step 6: Final answer
   x = 906,553.09