Finding the Fourth Proportional to 890,158.54, 1,328,762.59 and 824,373.58

Step by Step Solution

1. Step 1: Write the proportion equation
   890,158.54 : 1,328,762.59 = 824,373.58 : x
2. Step 2: Convert to fraction form
   890,158.54/1,328,762.59 = 824,373.58/x
3. Step 3: Cross multiply
   890,158.54x = 1,328,762.59 × 824,373.58
4. Step 4: Simplify right side
   890,158.54x = 1,095,396,773,288.37
5. Step 5: Solve for x
   x = 1,095,396,773,288.37/890,158.54
6. Step 6: Final answer
   x = 1,230,563.69