Finding the Fourth Proportional to 142,182,129.82, 196,212,064.72 and 79,459,274.63

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182,129.82 : 196,212,064.72 = 79,459,274.63 : x
2. Step 2: Convert to fraction form
   142,182,129.82/196,212,064.72 = 79,459,274.63/x
3. Step 3: Cross multiply
   142,182,129.82x = 196,212,064.72 × 79,459,274.63
4. Step 4: Simplify right side
   142,182,129.82x = 15,590,868,336,305,814
5. Step 5: Solve for x
   x = 15,590,868,336,305,814/142,182,129.82
6. Step 6: Final answer
   x = 109,654,204.48