Finding the Fourth Proportional to 1,108,858.50, 1,530,136.71 and 625,269.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,858.50 : 1,530,136.71 = 625,269.06 : x
2. Step 2: Convert to fraction form
   1,108,858.50/1,530,136.71 = 625,269.06/x
3. Step 3: Cross multiply
   1,108,858.50x = 1,530,136.71 × 625,269.06
4. Step 4: Simplify right side
   1,108,858.50x = 956,747,142,333.19
5. Step 5: Solve for x
   x = 956,747,142,333.19/1,108,858.50
6. Step 6: Final answer
   x = 862,821.67