Finding the Fourth Proportional to 1,345.56, 1,854.14 and 1,030.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.56 : 1,854.14 = 1,030.83 : x
2. Step 2: Convert to fraction form
   1,345.56/1,854.14 = 1,030.83/x
3. Step 3: Cross multiply
   1,345.56x = 1,854.14 × 1,030.83
4. Step 4: Simplify right side
   1,345.56x = 1,911,296.83
5. Step 5: Solve for x
   x = 1,911,296.83/1,345.56
6. Step 6: Final answer
   x = 1,420.45