Finding the Fourth Proportional to 1,402.70, 2,100.99 and 1,156.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.70 : 2,100.99 = 1,156.46 : x
2. Step 2: Convert to fraction form
   1,402.70/2,100.99 = 1,156.46/x
3. Step 3: Cross multiply
   1,402.70x = 2,100.99 × 1,156.46
4. Step 4: Simplify right side
   1,402.70x = 2,429,710.90
5. Step 5: Solve for x
   x = 2,429,710.90/1,402.70
6. Step 6: Final answer
   x = 1,732.17