Finding the Fourth Proportional to 433,807.38, 598,648.32 and 242,820.72

Step by Step Solution

1. Step 1: Write the proportion equation
   433,807.38 : 598,648.32 = 242,820.72 : x
2. Step 2: Convert to fraction form
   433,807.38/598,648.32 = 242,820.72/x
3. Step 3: Cross multiply
   433,807.38x = 598,648.32 × 242,820.72
4. Step 4: Simplify right side
   433,807.38x = 145,364,216,089.19
5. Step 5: Solve for x
   x = 145,364,216,089.19/433,807.38
6. Step 6: Final answer
   x = 335,089.31