Finding the Fourth Proportional to 297,851, 447,126.42 and 185,789.12

Step by Step Solution

1. Step 1: Write the proportion equation
   297,851 : 447,126.42 = 185,789.12 : x
2. Step 2: Convert to fraction form
   297,851/447,126.42 = 185,789.12/x
3. Step 3: Cross multiply
   297,851x = 447,126.42 × 185,789.12
4. Step 4: Simplify right side
   297,851x = 83,071,224,100.55
5. Step 5: Solve for x
   x = 83,071,224,100.55/297,851
6. Step 6: Final answer
   x = 278,901.95