Finding the Fourth Proportional to 42,788.15, 59,035.57 and 25,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,788.15 : 59,035.57 = 25,558.50 : x
2. Step 2: Convert to fraction form
   42,788.15/59,035.57 = 25,558.50/x
3. Step 3: Cross multiply
   42,788.15x = 59,035.57 × 25,558.50
4. Step 4: Simplify right side
   42,788.15x = 1,508,860,773.33
5. Step 5: Solve for x
   x = 1,508,860,773.33/42,788.15
6. Step 6: Final answer
   x = 35,263.52