Finding the Fourth Proportional to 1,376.02, 1,898.67 and 786.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.02 : 1,898.67 = 786.34 : x
2. Step 2: Convert to fraction form
   1,376.02/1,898.67 = 786.34/x
3. Step 3: Cross multiply
   1,376.02x = 1,898.67 × 786.34
4. Step 4: Simplify right side
   1,376.02x = 1,493,000.17
5. Step 5: Solve for x
   x = 1,493,000.17/1,376.02
6. Step 6: Final answer
   x = 1,085.01