Finding the Fourth Proportional to 113,629.95, 156,820.38 and 84,899.73

Step by Step Solution

1. Step 1: Write the proportion equation
   113,629.95 : 156,820.38 = 84,899.73 : x
2. Step 2: Convert to fraction form
   113,629.95/156,820.38 = 84,899.73/x
3. Step 3: Cross multiply
   113,629.95x = 156,820.38 × 84,899.73
4. Step 4: Simplify right side
   113,629.95x = 13,314,007,920.50
5. Step 5: Solve for x
   x = 13,314,007,920.50/113,629.95
6. Step 6: Final answer
   x = 117,169.88