Finding the Fourth Proportional to 458,785.59, 688,185.31 and 159,275.69

Step by Step Solution

1. Step 1: Write the proportion equation
   458,785.59 : 688,185.31 = 159,275.69 : x
2. Step 2: Convert to fraction form
   458,785.59/688,185.31 = 159,275.69/x
3. Step 3: Cross multiply
   458,785.59x = 688,185.31 × 159,275.69
4. Step 4: Simplify right side
   458,785.59x = 109,611,191,420.39
5. Step 5: Solve for x
   x = 109,611,191,420.39/458,785.59
6. Step 6: Final answer
   x = 238,915.94