Finding the Fourth Proportional to 431,606,973.86, 595,593,168.89 and 243,424,020.22

Step by Step Solution

1. Step 1: Write the proportion equation
   431,606,973.86 : 595,593,168.89 = 243,424,020.22 : x
2. Step 2: Convert to fraction form
   431,606,973.86/595,593,168.89 = 243,424,020.22/x
3. Step 3: Cross multiply
   431,606,973.86x = 595,593,168.89 × 243,424,020.22
4. Step 4: Simplify right side
   431,606,973.86x = 144,981,683,584,067,136
5. Step 5: Solve for x
   x = 144,981,683,584,067,136/431,606,973.86
6. Step 6: Final answer
   x = 335,911,355.39