Finding the Fourth Proportional to 822,978.70, 1,152,957.50 and 822,978.70

Step by Step Solution

1. Step 1: Write the proportion equation
   822,978.70 : 1,152,957.50 = 822,978.70 : x
2. Step 2: Convert to fraction form
   822,978.70/1,152,957.50 = 822,978.70/x
3. Step 3: Cross multiply
   822,978.70x = 1,152,957.50 × 822,978.70
4. Step 4: Simplify right side
   822,978.70x = 948,859,464,505.25
5. Step 5: Solve for x
   x = 948,859,464,505.25/822,978.70
6. Step 6: Final answer
   x = 1,152,957.50