Finding the Fourth Proportional to 42,275.85, 58,341.78 and 23,156.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,275.85 : 58,341.78 = 23,156.70 : x
2. Step 2: Convert to fraction form
   42,275.85/58,341.78 = 23,156.70/x
3. Step 3: Cross multiply
   42,275.85x = 58,341.78 × 23,156.70
4. Step 4: Simplify right side
   42,275.85x = 1,351,003,096.93
5. Step 5: Solve for x
   x = 1,351,003,096.93/42,275.85
6. Step 6: Final answer
   x = 31,956.85