Finding the Fourth Proportional to 83,685.28, 115,485.30 and 45,444.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,685.28 : 115,485.30 = 45,444.52 : x
2. Step 2: Convert to fraction form
   83,685.28/115,485.30 = 45,444.52/x
3. Step 3: Cross multiply
   83,685.28x = 115,485.30 × 45,444.52
4. Step 4: Simplify right side
   83,685.28x = 5,248,174,025.56
5. Step 5: Solve for x
   x = 5,248,174,025.56/83,685.28
6. Step 6: Final answer
   x = 62,713.23