Finding the Fourth Proportional to 144,002.34, 215,984.53 and 42,798.23

Step by Step Solution

1. Step 1: Write the proportion equation
   144,002.34 : 215,984.53 = 42,798.23 : x
2. Step 2: Convert to fraction form
   144,002.34/215,984.53 = 42,798.23/x
3. Step 3: Cross multiply
   144,002.34x = 215,984.53 × 42,798.23
4. Step 4: Simplify right side
   144,002.34x = 9,243,756,266.96
5. Step 5: Solve for x
   x = 9,243,756,266.96/144,002.34
6. Step 6: Final answer
   x = 64,191.71