Finding the Fourth Proportional to 28,094.48, 42,141.42 and 16,240.71

Step by Step Solution

1. Step 1: Write the proportion equation
   28,094.48 : 42,141.42 = 16,240.71 : x
2. Step 2: Convert to fraction form
   28,094.48/42,141.42 = 16,240.71/x
3. Step 3: Cross multiply
   28,094.48x = 42,141.42 × 16,240.71
4. Step 4: Simplify right side
   28,094.48x = 684,406,423.18
5. Step 5: Solve for x
   x = 684,406,423.18/28,094.48
6. Step 6: Final answer
   x = 24,360.89