Finding the Fourth Proportional to 1,410.08, 1,945.76 and 788.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.08 : 1,945.76 = 788.96 : x
2. Step 2: Convert to fraction form
   1,410.08/1,945.76 = 788.96/x
3. Step 3: Cross multiply
   1,410.08x = 1,945.76 × 788.96
4. Step 4: Simplify right side
   1,410.08x = 1,535,126.81
5. Step 5: Solve for x
   x = 1,535,126.81/1,410.08
6. Step 6: Final answer
   x = 1,088.68