Finding the Fourth Proportional to 1,162.18, 1,602.14 and 719.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.18 : 1,602.14 = 719.86 : x
2. Step 2: Convert to fraction form
   1,162.18/1,602.14 = 719.86/x
3. Step 3: Cross multiply
   1,162.18x = 1,602.14 × 719.86
4. Step 4: Simplify right side
   1,162.18x = 1,153,316.50
5. Step 5: Solve for x
   x = 1,153,316.50/1,162.18
6. Step 6: Final answer
   x = 992.37