Finding the Fourth Proportional to 1,312.00, 1,810.52 and 714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312.00 : 1,810.52 = 714.50 : x
2. Step 2: Convert to fraction form
   1,312.00/1,810.52 = 714.50/x
3. Step 3: Cross multiply
   1,312.00x = 1,810.52 × 714.50
4. Step 4: Simplify right side
   1,312.00x = 1,293,623.57
5. Step 5: Solve for x
   x = 1,293,623.57/1,312.00
6. Step 6: Final answer
   x = 986.00