Finding the Fourth Proportional to 81,695.39, 112,730.94 and 45,889.34

Step by Step Solution

1. Step 1: Write the proportion equation
   81,695.39 : 112,730.94 = 45,889.34 : x
2. Step 2: Convert to fraction form
   81,695.39/112,730.94 = 45,889.34/x
3. Step 3: Cross multiply
   81,695.39x = 112,730.94 × 45,889.34
4. Step 4: Simplify right side
   81,695.39x = 5,173,147,870.52
5. Step 5: Solve for x
   x = 5,173,147,870.52/81,695.39
6. Step 6: Final answer
   x = 63,322.40