Finding the Fourth Proportional to 1,400.02, 1,932.04 and 810.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.02 : 1,932.04 = 810.58 : x
2. Step 2: Convert to fraction form
   1,400.02/1,932.04 = 810.58/x
3. Step 3: Cross multiply
   1,400.02x = 1,932.04 × 810.58
4. Step 4: Simplify right side
   1,400.02x = 1,566,072.98
5. Step 5: Solve for x
   x = 1,566,072.98/1,400.02
6. Step 6: Final answer
   x = 1,118.61