Finding the Fourth Proportional to 91,381.55, 126,111.42 and 55,094.60

Step by Step Solution

1. Step 1: Write the proportion equation
   91,381.55 : 126,111.42 = 55,094.60 : x
2. Step 2: Convert to fraction form
   91,381.55/126,111.42 = 55,094.60/x
3. Step 3: Cross multiply
   91,381.55x = 126,111.42 × 55,094.60
4. Step 4: Simplify right side
   91,381.55x = 6,948,057,609.77
5. Step 5: Solve for x
   x = 6,948,057,609.77/91,381.55
6. Step 6: Final answer
   x = 76,033.49