Finding the Fourth Proportional to 65,215.98, 97,889.58 and 47,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,215.98 : 97,889.58 = 47,632.50 : x
2. Step 2: Convert to fraction form
   65,215.98/97,889.58 = 47,632.50/x
3. Step 3: Cross multiply
   65,215.98x = 97,889.58 × 47,632.50
4. Step 4: Simplify right side
   65,215.98x = 4,662,725,419.35
5. Step 5: Solve for x
   x = 4,662,725,419.35/65,215.98
6. Step 6: Final answer
   x = 71,496.67