Finding the Fourth Proportional to 58,128.32, 80,214.72 and 32,977.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,128.32 : 80,214.72 = 32,977.28 : x
2. Step 2: Convert to fraction form
   58,128.32/80,214.72 = 32,977.28/x
3. Step 3: Cross multiply
   58,128.32x = 80,214.72 × 32,977.28
4. Step 4: Simplify right side
   58,128.32x = 2,645,263,281.56
5. Step 5: Solve for x
   x = 2,645,263,281.56/58,128.32
6. Step 6: Final answer
   x = 45,507.31