Finding the Fourth Proportional to 413,089.94, 570,062.56 and 231,801.46

Step by Step Solution

1. Step 1: Write the proportion equation
   413,089.94 : 570,062.56 = 231,801.46 : x
2. Step 2: Convert to fraction form
   413,089.94/570,062.56 = 231,801.46/x
3. Step 3: Cross multiply
   413,089.94x = 570,062.56 × 231,801.46
4. Step 4: Simplify right side
   413,089.94x = 132,141,333,699.34
5. Step 5: Solve for x
   x = 132,141,333,699.34/413,089.94
6. Step 6: Final answer
   x = 319,885.14