Finding the Fourth Proportional to 155,200.86, 232,405.98 and 102,449.34

Step by Step Solution

1. Step 1: Write the proportion equation
   155,200.86 : 232,405.98 = 102,449.34 : x
2. Step 2: Convert to fraction form
   155,200.86/232,405.98 = 102,449.34/x
3. Step 3: Cross multiply
   155,200.86x = 232,405.98 × 102,449.34
4. Step 4: Simplify right side
   155,200.86x = 23,809,839,263.05
5. Step 5: Solve for x
   x = 23,809,839,263.05/155,200.86
6. Step 6: Final answer
   x = 153,413.06