Finding the Fourth Proportional to 159,891,667.82, 239,801,243.93 and 72,395,424.02

Step by Step Solution

1. Step 1: Write the proportion equation
   159,891,667.82 : 239,801,243.93 = 72,395,424.02 : x
2. Step 2: Convert to fraction form
   159,891,667.82/239,801,243.93 = 72,395,424.02/x
3. Step 3: Cross multiply
   159,891,667.82x = 239,801,243.93 × 72,395,424.02
4. Step 4: Simplify right side
   159,891,667.82x = 17,360,512,734,403,514
5. Step 5: Solve for x
   x = 17,360,512,734,403,514/159,891,667.82
6. Step 6: Final answer
   x = 108,576,719.29