Finding the Fourth Proportional to 189,088.86, 283,682.49 and 70,769.34

Step by Step Solution

1. Step 1: Write the proportion equation
   189,088.86 : 283,682.49 = 70,769.34 : x
2. Step 2: Convert to fraction form
   189,088.86/283,682.49 = 70,769.34/x
3. Step 3: Cross multiply
   189,088.86x = 283,682.49 × 70,769.34
4. Step 4: Simplify right side
   189,088.86x = 20,076,022,586.86
5. Step 5: Solve for x
   x = 20,076,022,586.86/189,088.86
6. Step 6: Final answer
   x = 106,172.42