Finding the Fourth Proportional to 640,527.72, 883,837.92 and 364,892.82

Step by Step Solution

1. Step 1: Write the proportion equation
   640,527.72 : 883,837.92 = 364,892.82 : x
2. Step 2: Convert to fraction form
   640,527.72/883,837.92 = 364,892.82/x
3. Step 3: Cross multiply
   640,527.72x = 883,837.92 × 364,892.82
4. Step 4: Simplify right side
   640,527.72x = 322,506,111,051.73
5. Step 5: Solve for x
   x = 322,506,111,051.73/640,527.72
6. Step 6: Final answer
   x = 503,500.63