Finding the Fourth Proportional to 67,704.59, 101,490.59 and 28,272.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67,704.59 : 101,490.59 = 28,272.98 : x
2. Step 2: Convert to fraction form
   67,704.59/101,490.59 = 28,272.98/x
3. Step 3: Cross multiply
   67,704.59x = 101,490.59 × 28,272.98
4. Step 4: Simplify right side
   67,704.59x = 2,869,441,421.26
5. Step 5: Solve for x
   x = 2,869,441,421.26/67,704.59
6. Step 6: Final answer
   x = 42,381.79