Finding the Fourth Proportional to 142,510,613.16, 196,606,185.48 and 86,711,302.38

Step by Step Solution

1. Step 1: Write the proportion equation
   142,510,613.16 : 196,606,185.48 = 86,711,302.38 : x
2. Step 2: Convert to fraction form
   142,510,613.16/196,606,185.48 = 86,711,302.38/x
3. Step 3: Cross multiply
   142,510,613.16x = 196,606,185.48 × 86,711,302.38
4. Step 4: Simplify right side
   142,510,613.16x = 17,047,978,398,934,644
5. Step 5: Solve for x
   x = 17,047,978,398,934,644/142,510,613.16
6. Step 6: Final answer
   x = 119,626,026.59