Finding the Fourth Proportional to 238,734.48, 358,109.72 and 72,522

Step by Step Solution

1. Step 1: Write the proportion equation
   238,734.48 : 358,109.72 = 72,522 : x
2. Step 2: Convert to fraction form
   238,734.48/358,109.72 = 72,522/x
3. Step 3: Cross multiply
   238,734.48x = 358,109.72 × 72,522
4. Step 4: Simplify right side
   238,734.48x = 25,970,833,113.84
5. Step 5: Solve for x
   x = 25,970,833,113.84/238,734.48
6. Step 6: Final answer
   x = 108,785.43