Finding the Fourth Proportional to 58,043.46, 80,031.61 and 53,739.36

Step by Step Solution

1. Step 1: Write the proportion equation
   58,043.46 : 80,031.61 = 53,739.36 : x
2. Step 2: Convert to fraction form
   58,043.46/80,031.61 = 53,739.36/x
3. Step 3: Cross multiply
   58,043.46x = 80,031.61 × 53,739.36
4. Step 4: Simplify right side
   58,043.46x = 4,300,847,501.17
5. Step 5: Solve for x
   x = 4,300,847,501.17/58,043.46
6. Step 6: Final answer
   x = 74,097.02