Finding the Fourth Proportional to 74,776.53, 112,185.98 and 30,435.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,776.53 : 112,185.98 = 30,435.10 : x
2. Step 2: Convert to fraction form
   74,776.53/112,185.98 = 30,435.10/x
3. Step 3: Cross multiply
   74,776.53x = 112,185.98 × 30,435.10
4. Step 4: Simplify right side
   74,776.53x = 3,414,391,519.90
5. Step 5: Solve for x
   x = 3,414,391,519.90/74,776.53
6. Step 6: Final answer
   x = 45,661.27