Finding the Fourth Proportional to 1,402.41, 1,933.29 and 870.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.41 : 1,933.29 = 870.96 : x
2. Step 2: Convert to fraction form
   1,402.41/1,933.29 = 870.96/x
3. Step 3: Cross multiply
   1,402.41x = 1,933.29 × 870.96
4. Step 4: Simplify right side
   1,402.41x = 1,683,818.26
5. Step 5: Solve for x
   x = 1,683,818.26/1,402.41
6. Step 6: Final answer
   x = 1,200.66