Finding the Fourth Proportional to 1,395.63, 1,925.37 and 924.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.63 : 1,925.37 = 924.12 : x
2. Step 2: Convert to fraction form
   1,395.63/1,925.37 = 924.12/x
3. Step 3: Cross multiply
   1,395.63x = 1,925.37 × 924.12
4. Step 4: Simplify right side
   1,395.63x = 1,779,272.92
5. Step 5: Solve for x
   x = 1,779,272.92/1,395.63
6. Step 6: Final answer
   x = 1,274.89