Finding the Fourth Proportional to 83,636.96, 115,415.89 and 47,826.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,636.96 : 115,415.89 = 47,826.05 : x
2. Step 2: Convert to fraction form
   83,636.96/115,415.89 = 47,826.05/x
3. Step 3: Cross multiply
   83,636.96x = 115,415.89 × 47,826.05
4. Step 4: Simplify right side
   83,636.96x = 5,519,885,429.29
5. Step 5: Solve for x
   x = 5,519,885,429.29/83,636.96
6. Step 6: Final answer
   x = 65,998.16