Finding the Fourth Proportional to 782,196.72, 1,079,431.62 and 424,500.72

Step by Step Solution

1. Step 1: Write the proportion equation
   782,196.72 : 1,079,431.62 = 424,500.72 : x
2. Step 2: Convert to fraction form
   782,196.72/1,079,431.62 = 424,500.72/x
3. Step 3: Cross multiply
   782,196.72x = 1,079,431.62 × 424,500.72
4. Step 4: Simplify right side
   782,196.72x = 458,219,499,880.77
5. Step 5: Solve for x
   x = 458,219,499,880.77/782,196.72
6. Step 6: Final answer
   x = 585,811.07