Finding the Fourth Proportional to 102,298.41, 141,168.83 and 56,976.41

Step by Step Solution

1. Step 1: Write the proportion equation
   102,298.41 : 141,168.83 = 56,976.41 : x
2. Step 2: Convert to fraction form
   102,298.41/141,168.83 = 56,976.41/x
3. Step 3: Cross multiply
   102,298.41x = 141,168.83 × 56,976.41
4. Step 4: Simplify right side
   102,298.41x = 8,043,293,205.34
5. Step 5: Solve for x
   x = 8,043,293,205.34/102,298.41
6. Step 6: Final answer
   x = 78,625.79