Finding the Fourth Proportional to 42,121.22, 58,106.29 and 25,113.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,121.22 : 58,106.29 = 25,113.47 : x
2. Step 2: Convert to fraction form
   42,121.22/58,106.29 = 25,113.47/x
3. Step 3: Cross multiply
   42,121.22x = 58,106.29 × 25,113.47
4. Step 4: Simplify right side
   42,121.22x = 1,459,250,570.73
5. Step 5: Solve for x
   x = 1,459,250,570.73/42,121.22
6. Step 6: Final answer
   x = 34,644.07