Finding the Fourth Proportional to 99,227, 136,941.90 and 54,523.64

Step by Step Solution

1. Step 1: Write the proportion equation
   99,227 : 136,941.90 = 54,523.64 : x
2. Step 2: Convert to fraction form
   99,227/136,941.90 = 54,523.64/x
3. Step 3: Cross multiply
   99,227x = 136,941.90 × 54,523.64
4. Step 4: Simplify right side
   99,227x = 7,466,570,856.52
5. Step 5: Solve for x
   x = 7,466,570,856.52/99,227
6. Step 6: Final answer
   x = 75,247.37