Finding the Fourth Proportional to 410,697.72, 614,547.89 and 242,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   410,697.72 : 614,547.89 = 242,298.72 : x
2. Step 2: Convert to fraction form
   410,697.72/614,547.89 = 242,298.72/x
3. Step 3: Cross multiply
   410,697.72x = 614,547.89 × 242,298.72
4. Step 4: Simplify right side
   410,697.72x = 148,904,165,914.21
5. Step 5: Solve for x
   x = 148,904,165,914.21/410,697.72
6. Step 6: Final answer
   x = 362,563.90