Finding the Fourth Proportional to 56,890.79, 78,496.73 and 33,003.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,890.79 : 78,496.73 = 33,003.62 : x
2. Step 2: Convert to fraction form
   56,890.79/78,496.73 = 33,003.62/x
3. Step 3: Cross multiply
   56,890.79x = 78,496.73 × 33,003.62
4. Step 4: Simplify right side
   56,890.79x = 2,590,676,453.12
5. Step 5: Solve for x
   x = 2,590,676,453.12/56,890.79
6. Step 6: Final answer
   x = 45,537.71