Finding the Fourth Proportional to 61,228.32, 91,754.85 and 34,878.62

Step by Step Solution

1. Step 1: Write the proportion equation
   61,228.32 : 91,754.85 = 34,878.62 : x
2. Step 2: Convert to fraction form
   61,228.32/91,754.85 = 34,878.62/x
3. Step 3: Cross multiply
   61,228.32x = 91,754.85 × 34,878.62
4. Step 4: Simplify right side
   61,228.32x = 3,200,282,546.31
5. Step 5: Solve for x
   x = 3,200,282,546.31/61,228.32
6. Step 6: Final answer
   x = 52,268.01