Finding the Fourth Proportional to 42,272.39, 58,335 and 23,151.21

Step by Step Solution

1. Step 1: Write the proportion equation
   42,272.39 : 58,335 = 23,151.21 : x
2. Step 2: Convert to fraction form
   42,272.39/58,335 = 23,151.21/x
3. Step 3: Cross multiply
   42,272.39x = 58,335 × 23,151.21
4. Step 4: Simplify right side
   42,272.39x = 1,350,525,835.35
5. Step 5: Solve for x
   x = 1,350,525,835.35/42,272.39
6. Step 6: Final answer
   x = 31,948.18