Finding the Fourth Proportional to 42,383.64, 58,479.60 and 25,384.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,383.64 : 58,479.60 = 25,384.72 : x
2. Step 2: Convert to fraction form
   42,383.64/58,479.60 = 25,384.72/x
3. Step 3: Cross multiply
   42,383.64x = 58,479.60 × 25,384.72
4. Step 4: Simplify right side
   42,383.64x = 1,484,488,271.71
5. Step 5: Solve for x
   x = 1,484,488,271.71/42,383.64
6. Step 6: Final answer
   x = 35,025.03