Finding the Fourth Proportional to 249,766.00, 374,550.38 and 99,978.37

Step by Step Solution

1. Step 1: Write the proportion equation
   249,766.00 : 374,550.38 = 99,978.37 : x
2. Step 2: Convert to fraction form
   249,766.00/374,550.38 = 99,978.37/x
3. Step 3: Cross multiply
   249,766.00x = 374,550.38 × 99,978.37
4. Step 4: Simplify right side
   249,766.00x = 37,446,935,413.93
5. Step 5: Solve for x
   x = 37,446,935,413.93/249,766.00
6. Step 6: Final answer
   x = 149,928.08