Finding the Fourth Proportional to 98,075.56, 135,413.72 and 76,589.52

Step by Step Solution

1. Step 1: Write the proportion equation
   98,075.56 : 135,413.72 = 76,589.52 : x
2. Step 2: Convert to fraction form
   98,075.56/135,413.72 = 76,589.52/x
3. Step 3: Cross multiply
   98,075.56x = 135,413.72 × 76,589.52
4. Step 4: Simplify right side
   98,075.56x = 10,371,271,816.21
5. Step 5: Solve for x
   x = 10,371,271,816.21/98,075.56
6. Step 6: Final answer
   x = 105,747.77