Finding the Fourth Proportional to 59,848.64, 82,553.28 and 42,819.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,848.64 : 82,553.28 = 42,819.20 : x
2. Step 2: Convert to fraction form
   59,848.64/82,553.28 = 42,819.20/x
3. Step 3: Cross multiply
   59,848.64x = 82,553.28 × 42,819.20
4. Step 4: Simplify right side
   59,848.64x = 3,534,865,406.98
5. Step 5: Solve for x
   x = 3,534,865,406.98/59,848.64
6. Step 6: Final answer
   x = 59,063.42