Finding the Fourth Proportional to 238,356.96, 357,535.38 and 60,857.60

Step by Step Solution

1. Step 1: Write the proportion equation
   238,356.96 : 357,535.38 = 60,857.60 : x
2. Step 2: Convert to fraction form
   238,356.96/357,535.38 = 60,857.60/x
3. Step 3: Cross multiply
   238,356.96x = 357,535.38 × 60,857.60
4. Step 4: Simplify right side
   238,356.96x = 21,758,745,141.89
5. Step 5: Solve for x
   x = 21,758,745,141.89/238,356.96
6. Step 6: Final answer
   x = 91,286.38