Finding the Fourth Proportional to 42,728,601.42, 58,965,390.18 and 23,149,976.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,728,601.42 : 58,965,390.18 = 23,149,976.40 : x
2. Step 2: Convert to fraction form
   42,728,601.42/58,965,390.18 = 23,149,976.40/x
3. Step 3: Cross multiply
   42,728,601.42x = 58,965,390.18 × 23,149,976.40
4. Step 4: Simplify right side
   42,728,601.42x = 1,365,047,391,083,791.75
5. Step 5: Solve for x
   x = 1,365,047,391,083,791.75/42,728,601.42
6. Step 6: Final answer
   x = 31,946,924.21