Finding the Fourth Proportional to 81,949.56, 113,088.72 and 46,138.74

Step by Step Solution

1. Step 1: Write the proportion equation
   81,949.56 : 113,088.72 = 46,138.74 : x
2. Step 2: Convert to fraction form
   81,949.56/113,088.72 = 46,138.74/x
3. Step 3: Cross multiply
   81,949.56x = 113,088.72 × 46,138.74
4. Step 4: Simplify right side
   81,949.56x = 5,217,771,049.01
5. Step 5: Solve for x
   x = 5,217,771,049.01/81,949.56
6. Step 6: Final answer
   x = 63,670.52