Finding the Fourth Proportional to 58,185.12, 80,303.84 and 42,104.64

Step by Step Solution

1. Step 1: Write the proportion equation
   58,185.12 : 80,303.84 = 42,104.64 : x
2. Step 2: Convert to fraction form
   58,185.12/80,303.84 = 42,104.64/x
3. Step 3: Cross multiply
   58,185.12x = 80,303.84 × 42,104.64
4. Step 4: Simplify right side
   58,185.12x = 3,381,164,273.82
5. Step 5: Solve for x
   x = 3,381,164,273.82/58,185.12
6. Step 6: Final answer
   x = 58,110.46