Finding the Fourth Proportional to 1,373.88, 1,895.91 and 784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.88 : 1,895.91 = 784.50 : x
2. Step 2: Convert to fraction form
   1,373.88/1,895.91 = 784.50/x
3. Step 3: Cross multiply
   1,373.88x = 1,895.91 × 784.50
4. Step 4: Simplify right side
   1,373.88x = 1,487,341.40
5. Step 5: Solve for x
   x = 1,487,341.40/1,373.88
6. Step 6: Final answer
   x = 1,082.58