Finding the Fourth Proportional to 81,758.01, 112,828.91 and 45,947.31

Step by Step Solution

1. Step 1: Write the proportion equation
   81,758.01 : 112,828.91 = 45,947.31 : x
2. Step 2: Convert to fraction form
   81,758.01/112,828.91 = 45,947.31/x
3. Step 3: Cross multiply
   81,758.01x = 112,828.91 × 45,947.31
4. Step 4: Simplify right side
   81,758.01x = 5,184,184,904.73
5. Step 5: Solve for x
   x = 5,184,184,904.73/81,758.01
6. Step 6: Final answer
   x = 63,408.89