Finding the Fourth Proportional to 81,630.42, 112,641.30 and 45,824.37

Step by Step Solution

1. Step 1: Write the proportion equation
   81,630.42 : 112,641.30 = 45,824.37 : x
2. Step 2: Convert to fraction form
   81,630.42/112,641.30 = 45,824.37/x
3. Step 3: Cross multiply
   81,630.42x = 112,641.30 × 45,824.37
4. Step 4: Simplify right side
   81,630.42x = 5,161,716,608.48
5. Step 5: Solve for x
   x = 5,161,716,608.48/81,630.42
6. Step 6: Final answer
   x = 63,232.76