Finding the Fourth Proportional to 99,074.59, 136,797.79 and 60,886.83

Step by Step Solution

1. Step 1: Write the proportion equation
   99,074.59 : 136,797.79 = 60,886.83 : x
2. Step 2: Convert to fraction form
   99,074.59/136,797.79 = 60,886.83/x
3. Step 3: Cross multiply
   99,074.59x = 136,797.79 × 60,886.83
4. Step 4: Simplify right side
   99,074.59x = 8,329,183,631.89
5. Step 5: Solve for x
   x = 8,329,183,631.89/99,074.59
6. Step 6: Final answer
   x = 84,069.83