Finding the Fourth Proportional to 103,648.98, 143,034 and 58,323.42

Step by Step Solution

1. Step 1: Write the proportion equation
   103,648.98 : 143,034 = 58,323.42 : x
2. Step 2: Convert to fraction form
   103,648.98/143,034 = 58,323.42/x
3. Step 3: Cross multiply
   103,648.98x = 143,034 × 58,323.42
4. Step 4: Simplify right side
   103,648.98x = 8,342,232,056.28
5. Step 5: Solve for x
   x = 8,342,232,056.28/103,648.98
6. Step 6: Final answer
   x = 80,485.42