Finding the Fourth Proportional to 142,156,168.76, 196,183,090.91 and 79,433,789.29

Step by Step Solution

1. Step 1: Write the proportion equation
   142,156,168.76 : 196,183,090.91 = 79,433,789.29 : x
2. Step 2: Convert to fraction form
   142,156,168.76/196,183,090.91 = 79,433,789.29/x
3. Step 3: Cross multiply
   142,156,168.76x = 196,183,090.91 × 79,433,789.29
4. Step 4: Simplify right side
   142,156,168.76x = 15,583,566,305,994,892
5. Step 5: Solve for x
   x = 15,583,566,305,994,892/142,156,168.76
6. Step 6: Final answer
   x = 109,622,863.65