Finding the Fourth Proportional to 1,200.30, 1,799.58 and 469.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.30 : 1,799.58 = 469.02 : x
2. Step 2: Convert to fraction form
   1,200.30/1,799.58 = 469.02/x
3. Step 3: Cross multiply
   1,200.30x = 1,799.58 × 469.02
4. Step 4: Simplify right side
   1,200.30x = 844,039.01
5. Step 5: Solve for x
   x = 844,039.01/1,200.30
6. Step 6: Final answer
   x = 703.19