Finding the Fourth Proportional to 83,459.03, 115,173.33 and 45,219.57

Step by Step Solution

1. Step 1: Write the proportion equation
   83,459.03 : 115,173.33 = 45,219.57 : x
2. Step 2: Convert to fraction form
   83,459.03/115,173.33 = 45,219.57/x
3. Step 3: Cross multiply
   83,459.03x = 115,173.33 × 45,219.57
4. Step 4: Simplify right side
   83,459.03x = 5,208,087,856.59
5. Step 5: Solve for x
   x = 5,208,087,856.59/83,459.03
6. Step 6: Final answer
   x = 62,402.93