Finding the Fourth Proportional to 1,402.05, 2,100.93 and 706.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.05 : 2,100.93 = 706.74 : x
2. Step 2: Convert to fraction form
   1,402.05/2,100.93 = 706.74/x
3. Step 3: Cross multiply
   1,402.05x = 2,100.93 × 706.74
4. Step 4: Simplify right side
   1,402.05x = 1,484,811.27
5. Step 5: Solve for x
   x = 1,484,811.27/1,402.05
6. Step 6: Final answer
   x = 1,059.03