Finding the Fourth Proportional to 83,485.50, 115,209.99 and 45,758.94

Step by Step Solution

1. Step 1: Write the proportion equation
   83,485.50 : 115,209.99 = 45,758.94 : x
2. Step 2: Convert to fraction form
   83,485.50/115,209.99 = 45,758.94/x
3. Step 3: Cross multiply
   83,485.50x = 115,209.99 × 45,758.94
4. Step 4: Simplify right side
   83,485.50x = 5,271,887,019.81
5. Step 5: Solve for x
   x = 5,271,887,019.81/83,485.50
6. Step 6: Final answer
   x = 63,147.34