Finding the Fourth Proportional to 1,361,783.76, 2,043,135.72 and 603,521.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361,783.76 : 2,043,135.72 = 603,521.52 : x
2. Step 2: Convert to fraction form
   1,361,783.76/2,043,135.72 = 603,521.52/x
3. Step 3: Cross multiply
   1,361,783.76x = 2,043,135.72 × 603,521.52
4. Step 4: Simplify right side
   1,361,783.76x = 1,233,076,375,300.69
5. Step 5: Solve for x
   x = 1,233,076,375,300.69/1,361,783.76
6. Step 6: Final answer
   x = 905,486.18