Finding the Fourth Proportional to 830,243.47, 1,145,700.59 and 462,701.05

Step by Step Solution

1. Step 1: Write the proportion equation
   830,243.47 : 1,145,700.59 = 462,701.05 : x
2. Step 2: Convert to fraction form
   830,243.47/1,145,700.59 = 462,701.05/x
3. Step 3: Cross multiply
   830,243.47x = 1,145,700.59 × 462,701.05
4. Step 4: Simplify right side
   830,243.47x = 530,116,859,677.73
5. Step 5: Solve for x
   x = 530,116,859,677.73/830,243.47
6. Step 6: Final answer
   x = 638,507.72