Finding the Fourth Proportional to 469,937, 648,401.86 and 265,987.89

Step by Step Solution

1. Step 1: Write the proportion equation
   469,937 : 648,401.86 = 265,987.89 : x
2. Step 2: Convert to fraction form
   469,937/648,401.86 = 265,987.89/x
3. Step 3: Cross multiply
   469,937x = 648,401.86 × 265,987.89
4. Step 4: Simplify right side
   469,937x = 172,467,042,613.48
5. Step 5: Solve for x
   x = 172,467,042,613.48/469,937
6. Step 6: Final answer
   x = 367,000.35