Finding the Fourth Proportional to 82,845.56, 124,283.84 and 45,384.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,845.56 : 124,283.84 = 45,384.98 : x
2. Step 2: Convert to fraction form
   82,845.56/124,283.84 = 45,384.98/x
3. Step 3: Cross multiply
   82,845.56x = 124,283.84 × 45,384.98
4. Step 4: Simplify right side
   82,845.56x = 5,640,619,592.72
5. Step 5: Solve for x
   x = 5,640,619,592.72/82,845.56
6. Step 6: Final answer
   x = 68,085.96