Finding the Fourth Proportional to 157,451,976.81, 236,162,018.61 and 42,448,144.41

Step by Step Solution

1. Step 1: Write the proportion equation
   157,451,976.81 : 236,162,018.61 = 42,448,144.41 : x
2. Step 2: Convert to fraction form
   157,451,976.81/236,162,018.61 = 42,448,144.41/x
3. Step 3: Cross multiply
   157,451,976.81x = 236,162,018.61 × 42,448,144.41
4. Step 4: Simplify right side
   157,451,976.81x = 10,024,639,470,114,388
5. Step 5: Solve for x
   x = 10,024,639,470,114,388/157,451,976.81
6. Step 6: Final answer
   x = 63,667,917.50