Finding the Fourth Proportional to 202,244, 279,096.72 and 112,820

Step by Step Solution

1. Step 1: Write the proportion equation
   202,244 : 279,096.72 = 112,820 : x
2. Step 2: Convert to fraction form
   202,244/279,096.72 = 112,820/x
3. Step 3: Cross multiply
   202,244x = 279,096.72 × 112,820
4. Step 4: Simplify right side
   202,244x = 31,487,691,950.40
5. Step 5: Solve for x
   x = 31,487,691,950.40/202,244
6. Step 6: Final answer
   x = 155,691.60