Finding the Fourth Proportional to 42,136.06, 58,146.24 and 23,272.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,136.06 : 58,146.24 = 23,272.78 : x
2. Step 2: Convert to fraction form
   42,136.06/58,146.24 = 23,272.78/x
3. Step 3: Cross multiply
   42,136.06x = 58,146.24 × 23,272.78
4. Step 4: Simplify right side
   42,136.06x = 1,353,224,651.35
5. Step 5: Solve for x
   x = 1,353,224,651.35/42,136.06
6. Step 6: Final answer
   x = 32,115.60