Finding the Fourth Proportional to 790,389.55, 1,185,582.57 and 610,736.23

Step by Step Solution

1. Step 1: Write the proportion equation
   790,389.55 : 1,185,582.57 = 610,736.23 : x
2. Step 2: Convert to fraction form
   790,389.55/1,185,582.57 = 610,736.23/x
3. Step 3: Cross multiply
   790,389.55x = 1,185,582.57 × 610,736.23
4. Step 4: Simplify right side
   790,389.55x = 724,078,229,155.51
5. Step 5: Solve for x
   x = 724,078,229,155.51/790,389.55
6. Step 6: Final answer
   x = 916,102.99