Finding the Fourth Proportional to 42,280.43, 58,347.70 and 23,159.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.43 : 58,347.70 = 23,159.93 : x
2. Step 2: Convert to fraction form
   42,280.43/58,347.70 = 23,159.93/x
3. Step 3: Cross multiply
   42,280.43x = 58,347.70 × 23,159.93
4. Step 4: Simplify right side
   42,280.43x = 1,351,328,298.02
5. Step 5: Solve for x
   x = 1,351,328,298.02/42,280.43
6. Step 6: Final answer
   x = 31,961.09