Finding the Fourth Proportional to 210,452.88, 315,725.98 and 60,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,452.88 : 315,725.98 = 60,681.50 : x
2. Step 2: Convert to fraction form
   210,452.88/315,725.98 = 60,681.50/x
3. Step 3: Cross multiply
   210,452.88x = 315,725.98 × 60,681.50
4. Step 4: Simplify right side
   210,452.88x = 19,158,726,055.37
5. Step 5: Solve for x
   x = 19,158,726,055.37/210,452.88
6. Step 6: Final answer
   x = 91,035.70