Finding the Fourth Proportional to 81,178.81, 112,022.59 and 45,361.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,178.81 : 112,022.59 = 45,361.83 : x
2. Step 2: Convert to fraction form
   81,178.81/112,022.59 = 45,361.83/x
3. Step 3: Cross multiply
   81,178.81x = 112,022.59 × 45,361.83
4. Step 4: Simplify right side
   81,178.81x = 5,081,549,683.74
5. Step 5: Solve for x
   x = 5,081,549,683.74/81,178.81
6. Step 6: Final answer
   x = 62,597.00