Finding the Fourth Proportional to 74,022.08, 102,146.72 and 45,730.24

Step by Step Solution

1. Step 1: Write the proportion equation
   74,022.08 : 102,146.72 = 45,730.24 : x
2. Step 2: Convert to fraction form
   74,022.08/102,146.72 = 45,730.24/x
3. Step 3: Cross multiply
   74,022.08x = 102,146.72 × 45,730.24
4. Step 4: Simplify right side
   74,022.08x = 4,671,194,020.81
5. Step 5: Solve for x
   x = 4,671,194,020.81/74,022.08
6. Step 6: Final answer
   x = 63,105.41