Finding the Fourth Proportional to 92,826.06, 128,086.83 and 55,115.34

Step by Step Solution

1. Step 1: Write the proportion equation
   92,826.06 : 128,086.83 = 55,115.34 : x
2. Step 2: Convert to fraction form
   92,826.06/128,086.83 = 55,115.34/x
3. Step 3: Cross multiply
   92,826.06x = 128,086.83 × 55,115.34
4. Step 4: Simplify right side
   92,826.06x = 7,059,549,184.97
5. Step 5: Solve for x
   x = 7,059,549,184.97/92,826.06
6. Step 6: Final answer
   x = 76,051.37