Finding the Fourth Proportional to 1,026,155.54, 1,416,494.24 and 918,539.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026,155.54 : 1,416,494.24 = 918,539.48 : x
2. Step 2: Convert to fraction form
   1,026,155.54/1,416,494.24 = 918,539.48/x
3. Step 3: Cross multiply
   1,026,155.54x = 1,416,494.24 × 918,539.48
4. Step 4: Simplify right side
   1,026,155.54x = 1,301,105,870,957.43
5. Step 5: Solve for x
   x = 1,301,105,870,957.43/1,026,155.54
6. Step 6: Final answer
   x = 1,267,942.17