Finding the Fourth Proportional to 83,093.74, 124,590.50 and 38,730.45

Step by Step Solution

1. Step 1: Write the proportion equation
   83,093.74 : 124,590.50 = 38,730.45 : x
2. Step 2: Convert to fraction form
   83,093.74/124,590.50 = 38,730.45/x
3. Step 3: Cross multiply
   83,093.74x = 124,590.50 × 38,730.45
4. Step 4: Simplify right side
   83,093.74x = 4,825,445,625.60
5. Step 5: Solve for x
   x = 4,825,445,625.60/83,093.74
6. Step 6: Final answer
   x = 58,072.31