Finding the Fourth Proportional to 42,279.09, 58,346.01 and 23,159.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,279.09 : 58,346.01 = 23,159.69 : x
2. Step 2: Convert to fraction form
   42,279.09/58,346.01 = 23,159.69/x
3. Step 3: Cross multiply
   42,279.09x = 58,346.01 × 23,159.69
4. Step 4: Simplify right side
   42,279.09x = 1,351,275,212.61
5. Step 5: Solve for x
   x = 1,351,275,212.61/42,279.09
6. Step 6: Final answer
   x = 31,960.84