Finding the Fourth Proportional to 42,004.53, 62,995.86 and 19,812.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004.53 : 62,995.86 = 19,812.06 : x
2. Step 2: Convert to fraction form
   42,004.53/62,995.86 = 19,812.06/x
3. Step 3: Cross multiply
   42,004.53x = 62,995.86 × 19,812.06
4. Step 4: Simplify right side
   42,004.53x = 1,248,077,758.07
5. Step 5: Solve for x
   x = 1,248,077,758.07/42,004.53
6. Step 6: Final answer
   x = 29,712.93