Finding the Fourth Proportional to 142,086,577.62, 196,077,407.40 and 79,363,568.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,086,577.62 : 196,077,407.40 = 79,363,568.10 : x
2. Step 2: Convert to fraction form
   142,086,577.62/196,077,407.40 = 79,363,568.10/x
3. Step 3: Cross multiply
   142,086,577.62x = 196,077,407.40 × 79,363,568.10
4. Step 4: Simplify right side
   142,086,577.62x = 15,561,402,675,061,344
5. Step 5: Solve for x
   x = 15,561,402,675,061,344/142,086,577.62
6. Step 6: Final answer
   x = 109,520,567.92