Finding the Fourth Proportional to 81,535.50, 112,518.93 and 45,725.40

Step by Step Solution

1. Step 1: Write the proportion equation
   81,535.50 : 112,518.93 = 45,725.40 : x
2. Step 2: Convert to fraction form
   81,535.50/112,518.93 = 45,725.40/x
3. Step 3: Cross multiply
   81,535.50x = 112,518.93 × 45,725.40
4. Step 4: Simplify right side
   81,535.50x = 5,144,973,081.82
5. Step 5: Solve for x
   x = 5,144,973,081.82/81,535.50
6. Step 6: Final answer
   x = 63,101.02