Finding the Fourth Proportional to 42,143.09, 58,156.67 and 23,279.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,143.09 : 58,156.67 = 23,279.81 : x
2. Step 2: Convert to fraction form
   42,143.09/58,156.67 = 23,279.81/x
3. Step 3: Cross multiply
   42,143.09x = 58,156.67 × 23,279.81
4. Step 4: Simplify right side
   42,143.09x = 1,353,875,995.25
5. Step 5: Solve for x
   x = 1,353,875,995.25/42,143.09
6. Step 6: Final answer
   x = 32,125.70