Finding the Fourth Proportional to 292,956, 404,322.40 and 185,536

Step by Step Solution

1. Step 1: Write the proportion equation
   292,956 : 404,322.40 = 185,536 : x
2. Step 2: Convert to fraction form
   292,956/404,322.40 = 185,536/x
3. Step 3: Cross multiply
   292,956x = 404,322.40 × 185,536
4. Step 4: Simplify right side
   292,956x = 75,016,360,806.40
5. Step 5: Solve for x
   x = 75,016,360,806.40/292,956
6. Step 6: Final answer
   x = 256,066.99