Finding the Fourth Proportional to 1,241.61, 1,858.71 and 802.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241.61 : 1,858.71 = 802.01 : x
2. Step 2: Convert to fraction form
   1,241.61/1,858.71 = 802.01/x
3. Step 3: Cross multiply
   1,241.61x = 1,858.71 × 802.01
4. Step 4: Simplify right side
   1,241.61x = 1,490,704.69
5. Step 5: Solve for x
   x = 1,490,704.69/1,241.61
6. Step 6: Final answer
   x = 1,200.62