Finding the Fourth Proportional to 83,405.38, 115,099.50 and 45,165.01

Step by Step Solution

1. Step 1: Write the proportion equation
   83,405.38 : 115,099.50 = 45,165.01 : x
2. Step 2: Convert to fraction form
   83,405.38/115,099.50 = 45,165.01/x
3. Step 3: Cross multiply
   83,405.38x = 115,099.50 × 45,165.01
4. Step 4: Simplify right side
   83,405.38x = 5,198,470,068.50
5. Step 5: Solve for x
   x = 5,198,470,068.50/83,405.38
6. Step 6: Final answer
   x = 62,327.75