Finding the Fourth Proportional to 91,970.56, 126,920.22 and 55,672.84

Step by Step Solution

1. Step 1: Write the proportion equation
   91,970.56 : 126,920.22 = 55,672.84 : x
2. Step 2: Convert to fraction form
   91,970.56/126,920.22 = 55,672.84/x
3. Step 3: Cross multiply
   91,970.56x = 126,920.22 × 55,672.84
4. Step 4: Simplify right side
   91,970.56x = 7,066,009,100.82
5. Step 5: Solve for x
   x = 7,066,009,100.82/91,970.56
6. Step 6: Final answer
   x = 76,829.03