Finding the Fourth Proportional to 189,104.86, 283,706.50 and 70,785.34

Step by Step Solution

1. Step 1: Write the proportion equation
   189,104.86 : 283,706.50 = 70,785.34 : x
2. Step 2: Convert to fraction form
   189,104.86/283,706.50 = 70,785.34/x
3. Step 3: Cross multiply
   189,104.86x = 283,706.50 × 70,785.34
4. Step 4: Simplify right side
   189,104.86x = 20,082,261,062.71
5. Step 5: Solve for x
   x = 20,082,261,062.71/189,104.86
6. Step 6: Final answer
   x = 106,196.43