Finding the Fourth Proportional to 42,128.96, 58,113.60 and 27,224.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128.96 : 58,113.60 = 27,224.96 : x
2. Step 2: Convert to fraction form
   42,128.96/58,113.60 = 27,224.96/x
3. Step 3: Cross multiply
   42,128.96x = 58,113.60 × 27,224.96
4. Step 4: Simplify right side
   42,128.96x = 1,582,140,435.46
5. Step 5: Solve for x
   x = 1,582,140,435.46/42,128.96
6. Step 6: Final answer
   x = 37,554.70