Finding the Fourth Proportional to 93,123, 128,640.42 and 83,048.22

Step by Step Solution

1. Step 1: Write the proportion equation
   93,123 : 128,640.42 = 83,048.22 : x
2. Step 2: Convert to fraction form
   93,123/128,640.42 = 83,048.22/x
3. Step 3: Cross multiply
   93,123x = 128,640.42 × 83,048.22
4. Step 4: Simplify right side
   93,123x = 10,683,357,901.05
5. Step 5: Solve for x
   x = 10,683,357,901.05/93,123
6. Step 6: Final answer
   x = 114,723.09