Finding the Fourth Proportional to 61,008, 91,523.52 and 28,176

Step by Step Solution

1. Step 1: Write the proportion equation
   61,008 : 91,523.52 = 28,176 : x
2. Step 2: Convert to fraction form
   61,008/91,523.52 = 28,176/x
3. Step 3: Cross multiply
   61,008x = 91,523.52 × 28,176
4. Step 4: Simplify right side
   61,008x = 2,578,766,699.52
5. Step 5: Solve for x
   x = 2,578,766,699.52/61,008
6. Step 6: Final answer
   x = 42,269.32