Finding the Fourth Proportional to 201,925.02, 278,658.43 and 111,284.25

Step by Step Solution

1. Step 1: Write the proportion equation
   201,925.02 : 278,658.43 = 111,284.25 : x
2. Step 2: Convert to fraction form
   201,925.02/278,658.43 = 111,284.25/x
3. Step 3: Cross multiply
   201,925.02x = 278,658.43 × 111,284.25
4. Step 4: Simplify right side
   201,925.02x = 31,010,293,065.55
5. Step 5: Solve for x
   x = 31,010,293,065.55/201,925.02
6. Step 6: Final answer
   x = 153,573.31