Finding the Fourth Proportional to 81,990.59, 113,147.63 and 46,177.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,990.59 : 113,147.63 = 46,177.25 : x
2. Step 2: Convert to fraction form
   81,990.59/113,147.63 = 46,177.25/x
3. Step 3: Cross multiply
   81,990.59x = 113,147.63 × 46,177.25
4. Step 4: Simplify right side
   81,990.59x = 5,224,845,600.79
5. Step 5: Solve for x
   x = 5,224,845,600.79/81,990.59
6. Step 6: Final answer
   x = 63,724.95