Finding the Fourth Proportional to 83,385.46, 115,072.01 and 45,145.04

Step by Step Solution

1. Step 1: Write the proportion equation
   83,385.46 : 115,072.01 = 45,145.04 : x
2. Step 2: Convert to fraction form
   83,385.46/115,072.01 = 45,145.04/x
3. Step 3: Cross multiply
   83,385.46x = 115,072.01 × 45,145.04
4. Step 4: Simplify right side
   83,385.46x = 5,194,930,494.33
5. Step 5: Solve for x
   x = 5,194,930,494.33/83,385.46
6. Step 6: Final answer
   x = 62,300.20