Finding the Fourth Proportional to 305,061.46, 457,448.76 and 112,803.05

Step by Step Solution

1. Step 1: Write the proportion equation
   305,061.46 : 457,448.76 = 112,803.05 : x
2. Step 2: Convert to fraction form
   305,061.46/457,448.76 = 112,803.05/x
3. Step 3: Cross multiply
   305,061.46x = 457,448.76 × 112,803.05
4. Step 4: Simplify right side
   305,061.46x = 51,601,615,346.72
5. Step 5: Solve for x
   x = 51,601,615,346.72/305,061.46
6. Step 6: Final answer
   x = 169,151.54