Finding the Fourth Proportional to 46,439.55, 64,096.79 and 30,525.48

Step by Step Solution

1. Step 1: Write the proportion equation
   46,439.55 : 64,096.79 = 30,525.48 : x
2. Step 2: Convert to fraction form
   46,439.55/64,096.79 = 30,525.48/x
3. Step 3: Cross multiply
   46,439.55x = 64,096.79 × 30,525.48
4. Step 4: Simplify right side
   46,439.55x = 1,956,585,128.58
5. Step 5: Solve for x
   x = 1,956,585,128.58/46,439.55
6. Step 6: Final answer
   x = 42,131.87