Finding the Fourth Proportional to 140,380.84, 210,681.72 and 65,462.38

Step by Step Solution

1. Step 1: Write the proportion equation
   140,380.84 : 210,681.72 = 65,462.38 : x
2. Step 2: Convert to fraction form
   140,380.84/210,681.72 = 65,462.38/x
3. Step 3: Cross multiply
   140,380.84x = 210,681.72 × 65,462.38
4. Step 4: Simplify right side
   140,380.84x = 13,791,726,813.69
5. Step 5: Solve for x
   x = 13,791,726,813.69/140,380.84
6. Step 6: Final answer
   x = 98,245.08