Finding the Fourth Proportional to 119,123.66, 164,392.52 and 65,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,123.66 : 164,392.52 = 65,413.50 : x
2. Step 2: Convert to fraction form
   119,123.66/164,392.52 = 65,413.50/x
3. Step 3: Cross multiply
   119,123.66x = 164,392.52 × 65,413.50
4. Step 4: Simplify right side
   119,123.66x = 10,753,489,779.95
5. Step 5: Solve for x
   x = 10,753,489,779.95/119,123.66
6. Step 6: Final answer
   x = 90,271.66