Finding the Fourth Proportional to 58,280, 80,423.52 and 33,128

Step by Step Solution

1. Step 1: Write the proportion equation
   58,280 : 80,423.52 = 33,128 : x
2. Step 2: Convert to fraction form
   58,280/80,423.52 = 33,128/x
3. Step 3: Cross multiply
   58,280x = 80,423.52 × 33,128
4. Step 4: Simplify right side
   58,280x = 2,664,270,370.56
5. Step 5: Solve for x
   x = 2,664,270,370.56/58,280
6. Step 6: Final answer
   x = 45,715.00