Finding the Fourth Proportional to 56,557.80, 78,046.74 and 33,897.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,557.80 : 78,046.74 = 33,897.69 : x
2. Step 2: Convert to fraction form
   56,557.80/78,046.74 = 33,897.69/x
3. Step 3: Cross multiply
   56,557.80x = 78,046.74 × 33,897.69
4. Step 4: Simplify right side
   56,557.80x = 2,645,604,198.03
5. Step 5: Solve for x
   x = 2,645,604,198.03/56,557.80
6. Step 6: Final answer
   x = 46,777.00