Finding the Fourth Proportional to 1,185.76, 1,777.89 and 527.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.76 : 1,777.89 = 527.29 : x
2. Step 2: Convert to fraction form
   1,185.76/1,777.89 = 527.29/x
3. Step 3: Cross multiply
   1,185.76x = 1,777.89 × 527.29
4. Step 4: Simplify right side
   1,185.76x = 937,463.62
5. Step 5: Solve for x
   x = 937,463.62/1,185.76
6. Step 6: Final answer
   x = 790.60