Finding the Fourth Proportional to 42,770.04, 59,030.28 and 25,777.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,770.04 : 59,030.28 = 25,777.32 : x
2. Step 2: Convert to fraction form
   42,770.04/59,030.28 = 25,777.32/x
3. Step 3: Cross multiply
   42,770.04x = 59,030.28 × 25,777.32
4. Step 4: Simplify right side
   42,770.04x = 1,521,642,417.25
5. Step 5: Solve for x
   x = 1,521,642,417.25/42,770.04
6. Step 6: Final answer
   x = 35,577.30