Finding the Fourth Proportional to 1,400.00, 1,931.99 and 770.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.00 : 1,931.99 = 770.49 : x
2. Step 2: Convert to fraction form
   1,400.00/1,931.99 = 770.49/x
3. Step 3: Cross multiply
   1,400.00x = 1,931.99 × 770.49
4. Step 4: Simplify right side
   1,400.00x = 1,488,575.12
5. Step 5: Solve for x
   x = 1,488,575.12/1,400.00
6. Step 6: Final answer
   x = 1,063.27