Finding the Fourth Proportional to 42,970.64, 59,244.72 and 27,836.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,970.64 : 59,244.72 = 27,836.72 : x
2. Step 2: Convert to fraction form
   42,970.64/59,244.72 = 27,836.72/x
3. Step 3: Cross multiply
   42,970.64x = 59,244.72 × 27,836.72
4. Step 4: Simplify right side
   42,970.64x = 1,649,178,682.12
5. Step 5: Solve for x
   x = 1,649,178,682.12/42,970.64
6. Step 6: Final answer
   x = 38,379.20