Finding the Fourth Proportional to 833,151.42, 1,249,468.20 and 300,603.15

Step by Step Solution

1. Step 1: Write the proportion equation
   833,151.42 : 1,249,468.20 = 300,603.15 : x
2. Step 2: Convert to fraction form
   833,151.42/1,249,468.20 = 300,603.15/x
3. Step 3: Cross multiply
   833,151.42x = 1,249,468.20 × 300,603.15
4. Step 4: Simplify right side
   833,151.42x = 375,594,076,744.83
5. Step 5: Solve for x
   x = 375,594,076,744.83/833,151.42
6. Step 6: Final answer
   x = 450,811.30