Finding the Fourth Proportional to 1,132,902.56, 1,563,446.78 and 616,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,902.56 : 1,563,446.78 = 616,631.50 : x
2. Step 2: Convert to fraction form
   1,132,902.56/1,563,446.78 = 616,631.50/x
3. Step 3: Cross multiply
   1,132,902.56x = 1,563,446.78 × 616,631.50
4. Step 4: Simplify right side
   1,132,902.56x = 964,070,525,561.14
5. Step 5: Solve for x
   x = 964,070,525,561.14/1,132,902.56
6. Step 6: Final answer
   x = 850,973.91