Finding the Fourth Proportional to 91,222.27, 136,876.73 and 63,185.47

Step by Step Solution

1. Step 1: Write the proportion equation
   91,222.27 : 136,876.73 = 63,185.47 : x
2. Step 2: Convert to fraction form
   91,222.27/136,876.73 = 63,185.47/x
3. Step 3: Cross multiply
   91,222.27x = 136,876.73 × 63,185.47
4. Step 4: Simplify right side
   91,222.27x = 8,648,620,517.11
5. Step 5: Solve for x
   x = 8,648,620,517.11/91,222.27
6. Step 6: Final answer
   x = 94,808.21