Finding the Fourth Proportional to 42,127.02, 63,174.06 and 21,060.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,127.02 : 63,174.06 = 21,060.54 : x
2. Step 2: Convert to fraction form
   42,127.02/63,174.06 = 21,060.54/x
3. Step 3: Cross multiply
   42,127.02x = 63,174.06 × 21,060.54
4. Step 4: Simplify right side
   42,127.02x = 1,330,479,817.59
5. Step 5: Solve for x
   x = 1,330,479,817.59/42,127.02
6. Step 6: Final answer
   x = 31,582.58