Finding the Fourth Proportional to 238,374.58, 357,485.86 and 78,413.94

Step by Step Solution

1. Step 1: Write the proportion equation
   238,374.58 : 357,485.86 = 78,413.94 : x
2. Step 2: Convert to fraction form
   238,374.58/357,485.86 = 78,413.94/x
3. Step 3: Cross multiply
   238,374.58x = 357,485.86 × 78,413.94
4. Step 4: Simplify right side
   238,374.58x = 28,031,874,776.89
5. Step 5: Solve for x
   x = 28,031,874,776.89/238,374.58
6. Step 6: Final answer
   x = 117,595.91