Finding the Fourth Proportional to 1,410.90, 1,947.32 and 880.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.90 : 1,947.32 = 880.14 : x
2. Step 2: Convert to fraction form
   1,410.90/1,947.32 = 880.14/x
3. Step 3: Cross multiply
   1,410.90x = 1,947.32 × 880.14
4. Step 4: Simplify right side
   1,410.90x = 1,713,914.22
5. Step 5: Solve for x
   x = 1,713,914.22/1,410.90
6. Step 6: Final answer
   x = 1,214.77