Finding the Fourth Proportional to 74,760.89, 112,113.38 and 30,372.69

Step by Step Solution

1. Step 1: Write the proportion equation
   74,760.89 : 112,113.38 = 30,372.69 : x
2. Step 2: Convert to fraction form
   74,760.89/112,113.38 = 30,372.69/x
3. Step 3: Cross multiply
   74,760.89x = 112,113.38 × 30,372.69
4. Step 4: Simplify right side
   74,760.89x = 3,405,184,935.59
5. Step 5: Solve for x
   x = 3,405,184,935.59/74,760.89
6. Step 6: Final answer
   x = 45,547.68