Finding the Fourth Proportional to 83,923.06, 115,816.25 and 45,685.09

Step by Step Solution

1. Step 1: Write the proportion equation
   83,923.06 : 115,816.25 = 45,685.09 : x
2. Step 2: Convert to fraction form
   83,923.06/115,816.25 = 45,685.09/x
3. Step 3: Cross multiply
   83,923.06x = 115,816.25 × 45,685.09
4. Step 4: Simplify right side
   83,923.06x = 5,291,075,804.71
5. Step 5: Solve for x
   x = 5,291,075,804.71/83,923.06
6. Step 6: Final answer
   x = 63,046.75