Finding the Fourth Proportional to 1,031.00, 1,543.73 and 619.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.00 : 1,543.73 = 619.55 : x
2. Step 2: Convert to fraction form
   1,031.00/1,543.73 = 619.55/x
3. Step 3: Cross multiply
   1,031.00x = 1,543.73 × 619.55
4. Step 4: Simplify right side
   1,031.00x = 956,412.89
5. Step 5: Solve for x
   x = 956,412.89/1,031.00
6. Step 6: Final answer
   x = 927.66