Finding the Fourth Proportional to 42,992.21, 59,328.06 and 25,774.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,992.21 : 59,328.06 = 25,774.31 : x
2. Step 2: Convert to fraction form
   42,992.21/59,328.06 = 25,774.31/x
3. Step 3: Cross multiply
   42,992.21x = 59,328.06 × 25,774.31
4. Step 4: Simplify right side
   42,992.21x = 1,529,139,513.50
5. Step 5: Solve for x
   x = 1,529,139,513.50/42,992.21
6. Step 6: Final answer
   x = 35,567.83