Finding the Fourth Proportional to 189,301, 283,868.34 and 70,889.30

Step by Step Solution

1. Step 1: Write the proportion equation
   189,301 : 283,868.34 = 70,889.30 : x
2. Step 2: Convert to fraction form
   189,301/283,868.34 = 70,889.30/x
3. Step 3: Cross multiply
   189,301x = 283,868.34 × 70,889.30
4. Step 4: Simplify right side
   189,301x = 20,123,227,914.76
5. Step 5: Solve for x
   x = 20,123,227,914.76/189,301
6. Step 6: Final answer
   x = 106,302.81