Finding the Fourth Proportional to 1,345.05, 2,014.34 and 910.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.05 : 2,014.34 = 910.89 : x
2. Step 2: Convert to fraction form
   1,345.05/2,014.34 = 910.89/x
3. Step 3: Cross multiply
   1,345.05x = 2,014.34 × 910.89
4. Step 4: Simplify right side
   1,345.05x = 1,834,837.61
5. Step 5: Solve for x
   x = 1,834,837.61/1,345.05
6. Step 6: Final answer
   x = 1,364.14