Finding the Fourth Proportional to 1,185.84, 1,777.68 and 607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.84 : 1,777.68 = 607.50 : x
2. Step 2: Convert to fraction form
   1,185.84/1,777.68 = 607.50/x
3. Step 3: Cross multiply
   1,185.84x = 1,777.68 × 607.50
4. Step 4: Simplify right side
   1,185.84x = 1,079,940.60
5. Step 5: Solve for x
   x = 1,079,940.60/1,185.84
6. Step 6: Final answer
   x = 910.70