Finding the Fourth Proportional to 83,409.63, 124,800.54 and 58,498.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,409.63 : 124,800.54 = 58,498.30 : x
2. Step 2: Convert to fraction form
   83,409.63/124,800.54 = 58,498.30/x
3. Step 3: Cross multiply
   83,409.63x = 124,800.54 × 58,498.30
4. Step 4: Simplify right side
   83,409.63x = 7,300,619,429.08
5. Step 5: Solve for x
   x = 7,300,619,429.08/83,409.63
6. Step 6: Final answer
   x = 87,527.30