Finding the Fourth Proportional to 1,358.68, 1,875.93 and 1,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.68 : 1,875.93 = 1,200.10 : x
2. Step 2: Convert to fraction form
   1,358.68/1,875.93 = 1,200.10/x
3. Step 3: Cross multiply
   1,358.68x = 1,875.93 × 1,200.10
4. Step 4: Simplify right side
   1,358.68x = 2,251,303.59
5. Step 5: Solve for x
   x = 2,251,303.59/1,358.68
6. Step 6: Final answer
   x = 1,656.98