Finding the Fourth Proportional to 762,756.83, 1,144,142.12 and 194,138.54

Step by Step Solution

1. Step 1: Write the proportion equation
   762,756.83 : 1,144,142.12 = 194,138.54 : x
2. Step 2: Convert to fraction form
   762,756.83/1,144,142.12 = 194,138.54/x
3. Step 3: Cross multiply
   762,756.83x = 1,144,142.12 × 194,138.54
4. Step 4: Simplify right side
   762,756.83x = 222,122,078,236.50
5. Step 5: Solve for x
   x = 222,122,078,236.50/762,756.83
6. Step 6: Final answer
   x = 291,209.56