Finding the Fourth Proportional to 92,730.08, 139,091.27 and 42,793.58

Step by Step Solution

1. Step 1: Write the proportion equation
   92,730.08 : 139,091.27 = 42,793.58 : x
2. Step 2: Convert to fraction form
   92,730.08/139,091.27 = 42,793.58/x
3. Step 3: Cross multiply
   92,730.08x = 139,091.27 × 42,793.58
4. Step 4: Simplify right side
   92,730.08x = 5,952,213,390.05
5. Step 5: Solve for x
   x = 5,952,213,390.05/92,730.08
6. Step 6: Final answer
   x = 64,188.59