Finding the Fourth Proportional to 83,493, 115,220.61 and 45,253.17

Step by Step Solution

1. Step 1: Write the proportion equation
   83,493 : 115,220.61 = 45,253.17 : x
2. Step 2: Convert to fraction form
   83,493/115,220.61 = 45,253.17/x
3. Step 3: Cross multiply
   83,493x = 115,220.61 × 45,253.17
4. Step 4: Simplify right side
   83,493x = 5,214,097,851.83
5. Step 5: Solve for x
   x = 5,214,097,851.83/83,493
6. Step 6: Final answer
   x = 62,449.52