Finding the Fourth Proportional to 462,401.97, 693,672.15 and 142,527.25

Step by Step Solution

1. Step 1: Write the proportion equation
   462,401.97 : 693,672.15 = 142,527.25 : x
2. Step 2: Convert to fraction form
   462,401.97/693,672.15 = 142,527.25/x
3. Step 3: Cross multiply
   462,401.97x = 693,672.15 × 142,527.25
4. Step 4: Simplify right side
   462,401.97x = 98,867,180,538.82
5. Step 5: Solve for x
   x = 98,867,180,538.82/462,401.97
6. Step 6: Final answer
   x = 213,812.20