Finding the Fourth Proportional to 1,400.04, 1,932.01 and 770.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.04 : 1,932.01 = 770.58 : x
2. Step 2: Convert to fraction form
   1,400.04/1,932.01 = 770.58/x
3. Step 3: Cross multiply
   1,400.04x = 1,932.01 × 770.58
4. Step 4: Simplify right side
   1,400.04x = 1,488,766.34
5. Step 5: Solve for x
   x = 1,488,766.34/1,400.04
6. Step 6: Final answer
   x = 1,063.37