Finding the Fourth Proportional to 83,870.64, 125,814.06 and 30,576.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,870.64 : 125,814.06 = 30,576.96 : x
2. Step 2: Convert to fraction form
   83,870.64/125,814.06 = 30,576.96/x
3. Step 3: Cross multiply
   83,870.64x = 125,814.06 × 30,576.96
4. Step 4: Simplify right side
   83,870.64x = 3,847,011,480.06
5. Step 5: Solve for x
   x = 3,847,011,480.06/83,870.64
6. Step 6: Final answer
   x = 45,868.39