Finding the Fourth Proportional to 321,506.64, 482,094.72 and 188,648.82

Step by Step Solution

1. Step 1: Write the proportion equation
   321,506.64 : 482,094.72 = 188,648.82 : x
2. Step 2: Convert to fraction form
   321,506.64/482,094.72 = 188,648.82/x
3. Step 3: Cross multiply
   321,506.64x = 482,094.72 × 188,648.82
4. Step 4: Simplify right side
   321,506.64x = 90,946,600,056.23
5. Step 5: Solve for x
   x = 90,946,600,056.23/321,506.64
6. Step 6: Final answer
   x = 282,876.27