Finding the Fourth Proportional to 1,556.50, 2,333.93 and 460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.50 : 2,333.93 = 460.72 : x
2. Step 2: Convert to fraction form
   1,556.50/2,333.93 = 460.72/x
3. Step 3: Cross multiply
   1,556.50x = 2,333.93 × 460.72
4. Step 4: Simplify right side
   1,556.50x = 1,075,288.23
5. Step 5: Solve for x
   x = 1,075,288.23/1,556.50
6. Step 6: Final answer
   x = 690.84