Finding the Fourth Proportional to 499,066.58, 749,132.65 and 214,897.83

Step by Step Solution

1. Step 1: Write the proportion equation
   499,066.58 : 749,132.65 = 214,897.83 : x
2. Step 2: Convert to fraction form
   499,066.58/749,132.65 = 214,897.83/x
3. Step 3: Cross multiply
   499,066.58x = 749,132.65 × 214,897.83
4. Step 4: Simplify right side
   499,066.58x = 160,986,978,326.52
5. Step 5: Solve for x
   x = 160,986,978,326.52/499,066.58
6. Step 6: Final answer
   x = 322,576.15