Finding the Fourth Proportional to 107,933.10, 161,851.05 and 48,738.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,933.10 : 161,851.05 = 48,738.30 : x
2. Step 2: Convert to fraction form
   107,933.10/161,851.05 = 48,738.30/x
3. Step 3: Cross multiply
   107,933.10x = 161,851.05 × 48,738.30
4. Step 4: Simplify right side
   107,933.10x = 7,888,345,030.22
5. Step 5: Solve for x
   x = 7,888,345,030.22/107,933.10
6. Step 6: Final answer
   x = 73,085.50