Finding the Fourth Proportional to 830,445.52, 1,146,014.72 and 448,472.24

Step by Step Solution

1. Step 1: Write the proportion equation
   830,445.52 : 1,146,014.72 = 448,472.24 : x
2. Step 2: Convert to fraction form
   830,445.52/1,146,014.72 = 448,472.24/x
3. Step 3: Cross multiply
   830,445.52x = 1,146,014.72 × 448,472.24
4. Step 4: Simplify right side
   830,445.52x = 513,955,788,551.37
5. Step 5: Solve for x
   x = 513,955,788,551.37/830,445.52
6. Step 6: Final answer
   x = 618,891.64