Finding the Fourth Proportional to 238,939.32, 358,460.82 and 72,723

Step by Step Solution

1. Step 1: Write the proportion equation
   238,939.32 : 358,460.82 = 72,723 : x
2. Step 2: Convert to fraction form
   238,939.32/358,460.82 = 72,723/x
3. Step 3: Cross multiply
   238,939.32x = 358,460.82 × 72,723
4. Step 4: Simplify right side
   238,939.32x = 26,068,346,212.86
5. Step 5: Solve for x
   x = 26,068,346,212.86/238,939.32
6. Step 6: Final answer
   x = 109,100.28