Finding the Fourth Proportional to 124,563, 171,900.60 and 67,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   124,563 : 171,900.60 = 67,978.02 : x
2. Step 2: Convert to fraction form
   124,563/171,900.60 = 67,978.02/x
3. Step 3: Cross multiply
   124,563x = 171,900.60 × 67,978.02
4. Step 4: Simplify right side
   124,563x = 11,685,462,424.81
5. Step 5: Solve for x
   x = 11,685,462,424.81/124,563
6. Step 6: Final answer
   x = 93,811.66