Finding the Fourth Proportional to 56,898.42, 78,513.84 and 33,020.46

Step by Step Solution

1. Step 1: Write the proportion equation
   56,898.42 : 78,513.84 = 33,020.46 : x
2. Step 2: Convert to fraction form
   56,898.42/78,513.84 = 33,020.46/x
3. Step 3: Cross multiply
   56,898.42x = 78,513.84 × 33,020.46
4. Step 4: Simplify right side
   56,898.42x = 2,592,563,113.17
5. Step 5: Solve for x
   x = 2,592,563,113.17/56,898.42
6. Step 6: Final answer
   x = 45,564.76