Finding the Fourth Proportional to 58,485.98, 87,719.82 and 19,042.83

Step by Step Solution

1. Step 1: Write the proportion equation
   58,485.98 : 87,719.82 = 19,042.83 : x
2. Step 2: Convert to fraction form
   58,485.98/87,719.82 = 19,042.83/x
3. Step 3: Cross multiply
   58,485.98x = 87,719.82 × 19,042.83
4. Step 4: Simplify right side
   58,485.98x = 1,670,433,619.89
5. Step 5: Solve for x
   x = 1,670,433,619.89/58,485.98
6. Step 6: Final answer
   x = 28,561.27