Finding the Fourth Proportional to 83,388.56, 115,076.27 and 45,148.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,388.56 : 115,076.27 = 45,148.12 : x
2. Step 2: Convert to fraction form
   83,388.56/115,076.27 = 45,148.12/x
3. Step 3: Cross multiply
   83,388.56x = 115,076.27 × 45,148.12
4. Step 4: Simplify right side
   83,388.56x = 5,195,477,072.29
5. Step 5: Solve for x
   x = 5,195,477,072.29/83,388.56
6. Step 6: Final answer
   x = 62,304.44