Finding the Fourth Proportional to 101,315.98, 152,018.52 and 53,919.91

Step by Step Solution

1. Step 1: Write the proportion equation
   101,315.98 : 152,018.52 = 53,919.91 : x
2. Step 2: Convert to fraction form
   101,315.98/152,018.52 = 53,919.91/x
3. Step 3: Cross multiply
   101,315.98x = 152,018.52 × 53,919.91
4. Step 4: Simplify right side
   101,315.98x = 8,196,824,916.73
5. Step 5: Solve for x
   x = 8,196,824,916.73/101,315.98
6. Step 6: Final answer
   x = 80,903.57