Finding the Fourth Proportional to 2,460.02, 3,688.80 and 816.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.02 : 3,688.80 = 816.00 : x
2. Step 2: Convert to fraction form
   2,460.02/3,688.80 = 816.00/x
3. Step 3: Cross multiply
   2,460.02x = 3,688.80 × 816.00
4. Step 4: Simplify right side
   2,460.02x = 3,010,072.06
5. Step 5: Solve for x
   x = 3,010,072.06/2,460.02
6. Step 6: Final answer
   x = 1,223.60