Finding the Fourth Proportional to 914,300.82, 1,371,670.20 and 381,525.48

Step by Step Solution

1. Step 1: Write the proportion equation
   914,300.82 : 1,371,670.20 = 381,525.48 : x
2. Step 2: Convert to fraction form
   914,300.82/1,371,670.20 = 381,525.48/x
3. Step 3: Cross multiply
   914,300.82x = 1,371,670.20 × 381,525.48
4. Step 4: Simplify right side
   914,300.82x = 523,327,131,456.70
5. Step 5: Solve for x
   x = 523,327,131,456.70/914,300.82
6. Step 6: Final answer
   x = 572,379.59