Finding the Fourth Proportional to 123,762.50, 170,836.56 and 73,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,762.50 : 170,836.56 = 73,461.50 : x
2. Step 2: Convert to fraction form
   123,762.50/170,836.56 = 73,461.50/x
3. Step 3: Cross multiply
   123,762.50x = 170,836.56 × 73,461.50
4. Step 4: Simplify right side
   123,762.50x = 12,549,909,952.44
5. Step 5: Solve for x
   x = 12,549,909,952.44/123,762.50
6. Step 6: Final answer
   x = 101,403.17