Finding the Fourth Proportional to 147,786.06, 203,945 and 84,123.87

Step by Step Solution

1. Step 1: Write the proportion equation
   147,786.06 : 203,945 = 84,123.87 : x
2. Step 2: Convert to fraction form
   147,786.06/203,945 = 84,123.87/x
3. Step 3: Cross multiply
   147,786.06x = 203,945 × 84,123.87
4. Step 4: Simplify right side
   147,786.06x = 17,156,642,667.15
5. Step 5: Solve for x
   x = 17,156,642,667.15/147,786.06
6. Step 6: Final answer
   x = 116,091.08