Finding the Fourth Proportional to 238,901.82, 358,404.57 and 72,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,901.82 : 358,404.57 = 72,685.50 : x
2. Step 2: Convert to fraction form
   238,901.82/358,404.57 = 72,685.50/x
3. Step 3: Cross multiply
   238,901.82x = 358,404.57 × 72,685.50
4. Step 4: Simplify right side
   238,901.82x = 26,050,815,372.74
5. Step 5: Solve for x
   x = 26,050,815,372.74/238,901.82
6. Step 6: Final answer
   x = 109,044.02