Finding the Fourth Proportional to 49,510.56, 74,298.24 and 45,505.92

Step by Step Solution

1. Step 1: Write the proportion equation
   49,510.56 : 74,298.24 = 45,505.92 : x
2. Step 2: Convert to fraction form
   49,510.56/74,298.24 = 45,505.92/x
3. Step 3: Cross multiply
   49,510.56x = 74,298.24 × 45,505.92
4. Step 4: Simplify right side
   49,510.56x = 3,381,009,765.58
5. Step 5: Solve for x
   x = 3,381,009,765.58/49,510.56
6. Step 6: Final answer
   x = 68,288.66