Finding the Fourth Proportional to 433,300,578.93, 597,904,352.72 and 242,572,040.42

Step by Step Solution

1. Step 1: Write the proportion equation
   433,300,578.93 : 597,904,352.72 = 242,572,040.42 : x
2. Step 2: Convert to fraction form
   433,300,578.93/597,904,352.72 = 242,572,040.42/x
3. Step 3: Cross multiply
   433,300,578.93x = 597,904,352.72 × 242,572,040.42
4. Step 4: Simplify right side
   433,300,578.93x = 145,034,878,811,997,024
5. Step 5: Solve for x
   x = 145,034,878,811,997,024/433,300,578.93
6. Step 6: Final answer
   x = 334,721,174.78