Finding the Fourth Proportional to 42,734.80, 58,973.16 and 25,973.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,734.80 : 58,973.16 = 25,973.20 : x
2. Step 2: Convert to fraction form
   42,734.80/58,973.16 = 25,973.20/x
3. Step 3: Cross multiply
   42,734.80x = 58,973.16 × 25,973.20
4. Step 4: Simplify right side
   42,734.80x = 1,531,721,679.31
5. Step 5: Solve for x
   x = 1,531,721,679.31/42,734.80
6. Step 6: Final answer
   x = 35,842.49