Finding the Fourth Proportional to 111,875.78, 167,795.31 and 30,803.90

Step by Step Solution

1. Step 1: Write the proportion equation
   111,875.78 : 167,795.31 = 30,803.90 : x
2. Step 2: Convert to fraction form
   111,875.78/167,795.31 = 30,803.90/x
3. Step 3: Cross multiply
   111,875.78x = 167,795.31 × 30,803.90
4. Step 4: Simplify right side
   111,875.78x = 5,168,749,949.71
5. Step 5: Solve for x
   x = 5,168,749,949.71/111,875.78
6. Step 6: Final answer
   x = 46,200.79