Finding the Fourth Proportional to 42,359.60, 58,284.60 and 34,778

Step by Step Solution

1. Step 1: Write the proportion equation
   42,359.60 : 58,284.60 = 34,778 : x
2. Step 2: Convert to fraction form
   42,359.60/58,284.60 = 34,778/x
3. Step 3: Cross multiply
   42,359.60x = 58,284.60 × 34,778
4. Step 4: Simplify right side
   42,359.60x = 2,027,021,818.80
5. Step 5: Solve for x
   x = 2,027,021,818.80/42,359.60
6. Step 6: Final answer
   x = 47,852.71