Finding the Fourth Proportional to 1,554.99, 2,145.93 and 846.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.99 : 2,145.93 = 846.89 : x
2. Step 2: Convert to fraction form
   1,554.99/2,145.93 = 846.89/x
3. Step 3: Cross multiply
   1,554.99x = 2,145.93 × 846.89
4. Step 4: Simplify right side
   1,554.99x = 1,817,351.69
5. Step 5: Solve for x
   x = 1,817,351.69/1,554.99
6. Step 6: Final answer
   x = 1,168.72