Finding the Fourth Proportional to 142,182,128.74, 196,212,063.23 and 79,459,273.55

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182,128.74 : 196,212,063.23 = 79,459,273.55 : x
2. Step 2: Convert to fraction form
   142,182,128.74/196,212,063.23 = 79,459,273.55/x
3. Step 3: Cross multiply
   142,182,128.74x = 196,212,063.23 × 79,459,273.55
4. Step 4: Simplify right side
   142,182,128.74x = 15,590,868,005,605,170
5. Step 5: Solve for x
   x = 15,590,868,005,605,170/142,182,128.74
6. Step 6: Final answer
   x = 109,654,202.98