Finding the Fourth Proportional to 61,148.12, 91,748.50 and 33,087.89

Step by Step Solution

1. Step 1: Write the proportion equation
   61,148.12 : 91,748.50 = 33,087.89 : x
2. Step 2: Convert to fraction form
   61,148.12/91,748.50 = 33,087.89/x
3. Step 3: Cross multiply
   61,148.12x = 91,748.50 × 33,087.89
4. Step 4: Simplify right side
   61,148.12x = 3,035,764,422.32
5. Step 5: Solve for x
   x = 3,035,764,422.32/61,148.12
6. Step 6: Final answer
   x = 49,646.08