Finding the Fourth Proportional to 482,123.30, 676,372.30 and 482,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   482,123.30 : 676,372.30 = 482,123.30 : x
2. Step 2: Convert to fraction form
   482,123.30/676,372.30 = 482,123.30/x
3. Step 3: Cross multiply
   482,123.30x = 676,372.30 × 482,123.30
4. Step 4: Simplify right side
   482,123.30x = 326,094,845,304.59
5. Step 5: Solve for x
   x = 326,094,845,304.59/482,123.30
6. Step 6: Final answer
   x = 676,372.30