Finding the Fourth Proportional to 56,931.81, 78,559.92 and 33,053.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,931.81 : 78,559.92 = 33,053.82 : x
2. Step 2: Convert to fraction form
   56,931.81/78,559.92 = 33,053.82/x
3. Step 3: Cross multiply
   56,931.81x = 78,559.92 × 33,053.82
4. Step 4: Simplify right side
   56,931.81x = 2,596,705,454.89
5. Step 5: Solve for x
   x = 2,596,705,454.89/56,931.81
6. Step 6: Final answer
   x = 45,610.80