Finding the Fourth Proportional to 1,111.33, 1,666.86 and 461.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.33 : 1,666.86 = 461.98 : x
2. Step 2: Convert to fraction form
   1,111.33/1,666.86 = 461.98/x
3. Step 3: Cross multiply
   1,111.33x = 1,666.86 × 461.98
4. Step 4: Simplify right side
   1,111.33x = 770,055.98
5. Step 5: Solve for x
   x = 770,055.98/1,111.33
6. Step 6: Final answer
   x = 692.91