Finding the Fourth Proportional to 198,300.13, 297,406.45 and 58,069.69

Step by Step Solution

1. Step 1: Write the proportion equation
   198,300.13 : 297,406.45 = 58,069.69 : x
2. Step 2: Convert to fraction form
   198,300.13/297,406.45 = 58,069.69/x
3. Step 3: Cross multiply
   198,300.13x = 297,406.45 × 58,069.69
4. Step 4: Simplify right side
   198,300.13x = 17,270,300,355.50
5. Step 5: Solve for x
   x = 17,270,300,355.50/198,300.13
6. Step 6: Final answer
   x = 87,091.72