Finding the Fourth Proportional to 142,081,822.16, 196,072,915.90 and 76,891,726.16

Step by Step Solution

1. Step 1: Write the proportion equation
   142,081,822.16 : 196,072,915.90 = 76,891,726.16 : x
2. Step 2: Convert to fraction form
   142,081,822.16/196,072,915.90 = 76,891,726.16/x
3. Step 3: Cross multiply
   142,081,822.16x = 196,072,915.90 × 76,891,726.16
4. Step 4: Simplify right side
   142,081,822.16x = 15,076,384,956,775,510
5. Step 5: Solve for x
   x = 15,076,384,956,775,510/142,081,822.16
6. Step 6: Final answer
   x = 106,110,582.81