Finding the Fourth Proportional to 91,785.06, 137,622.20 and 41,174.86

Step by Step Solution

1. Step 1: Write the proportion equation
   91,785.06 : 137,622.20 = 41,174.86 : x
2. Step 2: Convert to fraction form
   91,785.06/137,622.20 = 41,174.86/x
3. Step 3: Cross multiply
   91,785.06x = 137,622.20 × 41,174.86
4. Step 4: Simplify right side
   91,785.06x = 5,666,574,817.89
5. Step 5: Solve for x
   x = 5,666,574,817.89/91,785.06
6. Step 6: Final answer
   x = 61,737.44