Finding the Fourth Proportional to 1,117.93, 1,541.73 and 698.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117.93 : 1,541.73 = 698.32 : x
2. Step 2: Convert to fraction form
   1,117.93/1,541.73 = 698.32/x
3. Step 3: Cross multiply
   1,117.93x = 1,541.73 × 698.32
4. Step 4: Simplify right side
   1,117.93x = 1,076,620.89
5. Step 5: Solve for x
   x = 1,076,620.89/1,117.93
6. Step 6: Final answer
   x = 963.05