Finding the Fourth Proportional to 114,713, 158,235.30 and 72,197.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,713 : 158,235.30 = 72,197.72 : x
2. Step 2: Convert to fraction form
   114,713/158,235.30 = 72,197.72/x
3. Step 3: Cross multiply
   114,713x = 158,235.30 × 72,197.72
4. Step 4: Simplify right side
   114,713x = 11,424,227,883.52
5. Step 5: Solve for x
   x = 11,424,227,883.52/114,713
6. Step 6: Final answer
   x = 99,589.65