Finding the Fourth Proportional to 142,830,354.24, 196,923,413.52 and 92,505,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,830,354.24 : 196,923,413.52 = 92,505,654.72 : x
2. Step 2: Convert to fraction form
   142,830,354.24/196,923,413.52 = 92,505,654.72/x
3. Step 3: Cross multiply
   142,830,354.24x = 196,923,413.52 × 92,505,654.72
4. Step 4: Simplify right side
   142,830,354.24x = 18,216,529,297,364,900
5. Step 5: Solve for x
   x = 18,216,529,297,364,900/142,830,354.24
6. Step 6: Final answer
   x = 127,539,621.35