Finding the Fourth Proportional to 99,033.54, 136,663.83 and 56,589.33

Step by Step Solution

1. Step 1: Write the proportion equation
   99,033.54 : 136,663.83 = 56,589.33 : x
2. Step 2: Convert to fraction form
   99,033.54/136,663.83 = 56,589.33/x
3. Step 3: Cross multiply
   99,033.54x = 136,663.83 × 56,589.33
4. Step 4: Simplify right side
   99,033.54x = 7,733,714,574.93
5. Step 5: Solve for x
   x = 7,733,714,574.93/99,033.54
6. Step 6: Final answer
   x = 78,091.87