Finding the Fourth Proportional to 103,064.94, 154,619.46 and 31,986.02

Step by Step Solution

1. Step 1: Write the proportion equation
   103,064.94 : 154,619.46 = 31,986.02 : x
2. Step 2: Convert to fraction form
   103,064.94/154,619.46 = 31,986.02/x
3. Step 3: Cross multiply
   103,064.94x = 154,619.46 × 31,986.02
4. Step 4: Simplify right side
   103,064.94x = 4,945,661,526.50
5. Step 5: Solve for x
   x = 4,945,661,526.50/103,064.94
6. Step 6: Final answer
   x = 47,985.88