Finding the Fourth Proportional to 59,869.28, 89,784.48 and 28,274.42

Step by Step Solution

1. Step 1: Write the proportion equation
   59,869.28 : 89,784.48 = 28,274.42 : x
2. Step 2: Convert to fraction form
   59,869.28/89,784.48 = 28,274.42/x
3. Step 3: Cross multiply
   59,869.28x = 89,784.48 × 28,274.42
4. Step 4: Simplify right side
   59,869.28x = 2,538,604,097.00
5. Step 5: Solve for x
   x = 2,538,604,097.00/59,869.28
6. Step 6: Final answer
   x = 42,402.45