Finding the Fourth Proportional to 1,501.86, 2,071.71 and 942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.86 : 2,071.71 = 942.18 : x
2. Step 2: Convert to fraction form
   1,501.86/2,071.71 = 942.18/x
3. Step 3: Cross multiply
   1,501.86x = 2,071.71 × 942.18
4. Step 4: Simplify right side
   1,501.86x = 1,951,923.73
5. Step 5: Solve for x
   x = 1,951,923.73/1,501.86
6. Step 6: Final answer
   x = 1,299.67