Finding the Fourth Proportional to 1,554.17, 2,145.35 and 1,030.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.17 : 2,145.35 = 1,030.01 : x
2. Step 2: Convert to fraction form
   1,554.17/2,145.35 = 1,030.01/x
3. Step 3: Cross multiply
   1,554.17x = 2,145.35 × 1,030.01
4. Step 4: Simplify right side
   1,554.17x = 2,209,723.80
5. Step 5: Solve for x
   x = 2,209,723.80/1,554.17
6. Step 6: Final answer
   x = 1,421.81