Finding the Fourth Proportional to 103,404.81, 142,676.50 and 60,364.77

Step by Step Solution

1. Step 1: Write the proportion equation
   103,404.81 : 142,676.50 = 60,364.77 : x
2. Step 2: Convert to fraction form
   103,404.81/142,676.50 = 60,364.77/x
3. Step 3: Cross multiply
   103,404.81x = 142,676.50 × 60,364.77
4. Step 4: Simplify right side
   103,404.81x = 8,612,633,943.73
5. Step 5: Solve for x
   x = 8,612,633,943.73/103,404.81
6. Step 6: Final answer
   x = 83,290.46