Finding the Fourth Proportional to 83,507.51, 115,247.61 and 45,789.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,507.51 : 115,247.61 = 45,789.05 : x
2. Step 2: Convert to fraction form
   83,507.51/115,247.61 = 45,789.05/x
3. Step 3: Cross multiply
   83,507.51x = 115,247.61 × 45,789.05
4. Step 4: Simplify right side
   83,507.51x = 5,277,078,576.67
5. Step 5: Solve for x
   x = 5,277,078,576.67/83,507.51
6. Step 6: Final answer
   x = 63,192.86