Finding the Fourth Proportional to 81,626.01, 112,637.72 and 45,809.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,626.01 : 112,637.72 = 45,809.10 : x
2. Step 2: Convert to fraction form
   81,626.01/112,637.72 = 45,809.10/x
3. Step 3: Cross multiply
   81,626.01x = 112,637.72 × 45,809.10
4. Step 4: Simplify right side
   81,626.01x = 5,159,833,010.57
5. Step 5: Solve for x
   x = 5,159,833,010.57/81,626.01
6. Step 6: Final answer
   x = 63,213.10