Finding the Fourth Proportional to 61,123.61, 91,663.55 and 33,064.40

Step by Step Solution

1. Step 1: Write the proportion equation
   61,123.61 : 91,663.55 = 33,064.40 : x
2. Step 2: Convert to fraction form
   61,123.61/91,663.55 = 33,064.40/x
3. Step 3: Cross multiply
   61,123.61x = 91,663.55 × 33,064.40
4. Step 4: Simplify right side
   61,123.61x = 3,030,800,117.30
5. Step 5: Solve for x
   x = 3,030,800,117.30/61,123.61
6. Step 6: Final answer
   x = 49,584.77