Finding the Fourth Proportional to 110,688.84, 166,061.33 and 31,803.12

Step by Step Solution

1. Step 1: Write the proportion equation
   110,688.84 : 166,061.33 = 31,803.12 : x
2. Step 2: Convert to fraction form
   110,688.84/166,061.33 = 31,803.12/x
3. Step 3: Cross multiply
   110,688.84x = 166,061.33 × 31,803.12
4. Step 4: Simplify right side
   110,688.84x = 5,281,268,246.33
5. Step 5: Solve for x
   x = 5,281,268,246.33/110,688.84
6. Step 6: Final answer
   x = 47,712.74