Finding the Fourth Proportional to 63,186.42, 87,196.10 and 34,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,186.42 : 87,196.10 = 34,891.50 : x
2. Step 2: Convert to fraction form
   63,186.42/87,196.10 = 34,891.50/x
3. Step 3: Cross multiply
   63,186.42x = 87,196.10 × 34,891.50
4. Step 4: Simplify right side
   63,186.42x = 3,042,402,548.69
5. Step 5: Solve for x
   x = 3,042,402,548.69/63,186.42
6. Step 6: Final answer
   x = 48,149.63