Finding the Fourth Proportional to 1,411.02, 1,947.22 and 790.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.02 : 1,947.22 = 790.02 : x
2. Step 2: Convert to fraction form
   1,411.02/1,947.22 = 790.02/x
3. Step 3: Cross multiply
   1,411.02x = 1,947.22 × 790.02
4. Step 4: Simplify right side
   1,411.02x = 1,538,342.74
5. Step 5: Solve for x
   x = 1,538,342.74/1,411.02
6. Step 6: Final answer
   x = 1,090.23