Finding the Fourth Proportional to 42,721.31, 58,955.18 and 23,602.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,721.31 : 58,955.18 = 23,602.39 : x
2. Step 2: Convert to fraction form
   42,721.31/58,955.18 = 23,602.39/x
3. Step 3: Cross multiply
   42,721.31x = 58,955.18 × 23,602.39
4. Step 4: Simplify right side
   42,721.31x = 1,391,482,885.48
5. Step 5: Solve for x
   x = 1,391,482,885.48/42,721.31
6. Step 6: Final answer
   x = 32,571.16