Finding the Fourth Proportional to 42,172.04, 58,174.37 and 27,047.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,172.04 : 58,174.37 = 27,047.87 : x
2. Step 2: Convert to fraction form
   42,172.04/58,174.37 = 27,047.87/x
3. Step 3: Cross multiply
   42,172.04x = 58,174.37 × 27,047.87
4. Step 4: Simplify right side
   42,172.04x = 1,573,492,472.41
5. Step 5: Solve for x
   x = 1,573,492,472.41/42,172.04
6. Step 6: Final answer
   x = 37,311.28