Finding the Fourth Proportional to 359,023.98, 538,628.25 and 134,387.63

Step by Step Solution

1. Step 1: Write the proportion equation
   359,023.98 : 538,628.25 = 134,387.63 : x
2. Step 2: Convert to fraction form
   359,023.98/538,628.25 = 134,387.63/x
3. Step 3: Cross multiply
   359,023.98x = 538,628.25 × 134,387.63
4. Step 4: Simplify right side
   359,023.98x = 72,384,970,603.47
5. Step 5: Solve for x
   x = 72,384,970,603.47/359,023.98
6. Step 6: Final answer
   x = 201,615.98