Finding the Fourth Proportional to 238,359.86, 357,539.48 and 60,866.78

Step by Step Solution

1. Step 1: Write the proportion equation
   238,359.86 : 357,539.48 = 60,866.78 : x
2. Step 2: Convert to fraction form
   238,359.86/357,539.48 = 60,866.78/x
3. Step 3: Cross multiply
   238,359.86x = 357,539.48 × 60,866.78
4. Step 4: Simplify right side
   238,359.86x = 21,762,276,870.47
5. Step 5: Solve for x
   x = 21,762,276,870.47/238,359.86
6. Step 6: Final answer
   x = 91,300.09