Finding the Fourth Proportional to 1,030.19, 1,543.86 and 799.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.19 : 1,543.86 = 799.34 : x
2. Step 2: Convert to fraction form
   1,030.19/1,543.86 = 799.34/x
3. Step 3: Cross multiply
   1,030.19x = 1,543.86 × 799.34
4. Step 4: Simplify right side
   1,030.19x = 1,234,061.33
5. Step 5: Solve for x
   x = 1,234,061.33/1,030.19
6. Step 6: Final answer
   x = 1,197.90