Finding the Fourth Proportional to 74,412.10, 111,488.55 and 48,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   74,412.10 : 111,488.55 = 48,103.30 : x
2. Step 2: Convert to fraction form
   74,412.10/111,488.55 = 48,103.30/x
3. Step 3: Cross multiply
   74,412.10x = 111,488.55 × 48,103.30
4. Step 4: Simplify right side
   74,412.10x = 5,362,967,167.22
5. Step 5: Solve for x
   x = 5,362,967,167.22/74,412.10
6. Step 6: Final answer
   x = 72,071.17