Finding the Fourth Proportional to 83,212.31, 114,834.81 and 45,486.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,212.31 : 114,834.81 = 45,486.56 : x
2. Step 2: Convert to fraction form
   83,212.31/114,834.81 = 45,486.56/x
3. Step 3: Cross multiply
   83,212.31x = 114,834.81 × 45,486.56
4. Step 4: Simplify right side
   83,212.31x = 5,223,440,932.82
5. Step 5: Solve for x
   x = 5,223,440,932.82/83,212.31
6. Step 6: Final answer
   x = 62,772.45