Finding the Fourth Proportional to 1,410.12, 2,116.02 and 785.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.12 : 2,116.02 = 785.94 : x
2. Step 2: Convert to fraction form
   1,410.12/2,116.02 = 785.94/x
3. Step 3: Cross multiply
   1,410.12x = 2,116.02 × 785.94
4. Step 4: Simplify right side
   1,410.12x = 1,663,064.76
5. Step 5: Solve for x
   x = 1,663,064.76/1,410.12
6. Step 6: Final answer
   x = 1,179.38