Finding the Fourth Proportional to 192,142,570.50, 288,243,715.59 and 64,521,614.34

Step by Step Solution

1. Step 1: Write the proportion equation
   192,142,570.50 : 288,243,715.59 = 64,521,614.34 : x
2. Step 2: Convert to fraction form
   192,142,570.50/288,243,715.59 = 64,521,614.34/x
3. Step 3: Cross multiply
   192,142,570.50x = 288,243,715.59 × 64,521,614.34
4. Step 4: Simplify right side
   192,142,570.50x = 18,597,949,853,226,624
5. Step 5: Solve for x
   x = 18,597,949,853,226,624/192,142,570.50
6. Step 6: Final answer
   x = 96,792,448.47