Finding the Fourth Proportional to 42,256.59, 58,313.52 and 23,136.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256.59 : 58,313.52 = 23,136.12 : x
2. Step 2: Convert to fraction form
   42,256.59/58,313.52 = 23,136.12/x
3. Step 3: Cross multiply
   42,256.59x = 58,313.52 × 23,136.12
4. Step 4: Simplify right side
   42,256.59x = 1,349,148,596.34
5. Step 5: Solve for x
   x = 1,349,148,596.34/42,256.59
6. Step 6: Final answer
   x = 31,927.53