Finding the Fourth Proportional to 103,050.78, 154,598.34 and 31,971.99

Step by Step Solution

1. Step 1: Write the proportion equation
   103,050.78 : 154,598.34 = 31,971.99 : x
2. Step 2: Convert to fraction form
   103,050.78/154,598.34 = 31,971.99/x
3. Step 3: Cross multiply
   103,050.78x = 154,598.34 × 31,971.99
4. Step 4: Simplify right side
   103,050.78x = 4,942,816,580.50
5. Step 5: Solve for x
   x = 4,942,816,580.50/103,050.78
6. Step 6: Final answer
   x = 47,964.86