Finding the Fourth Proportional to 1,543,861.83, 2,315,906.27 and 406,615.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,861.83 : 2,315,906.27 = 406,615.71 : x
2. Step 2: Convert to fraction form
   1,543,861.83/2,315,906.27 = 406,615.71/x
3. Step 3: Cross multiply
   1,543,861.83x = 2,315,906.27 × 406,615.71
4. Step 4: Simplify right side
   1,543,861.83x = 941,683,870,236.42
5. Step 5: Solve for x
   x = 941,683,870,236.42/1,543,861.83
6. Step 6: Final answer
   x = 609,953.46