Finding the Fourth Proportional to 2,217,768.08, 3,060,522.12 and 1,199,172.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217,768.08 : 3,060,522.12 = 1,199,172.56 : x
2. Step 2: Convert to fraction form
   2,217,768.08/3,060,522.12 = 1,199,172.56/x
3. Step 3: Cross multiply
   2,217,768.08x = 3,060,522.12 × 1,199,172.56
4. Step 4: Simplify right side
   2,217,768.08x = 3,670,094,145,577.03
5. Step 5: Solve for x
   x = 3,670,094,145,577.03/2,217,768.08
6. Step 6: Final answer
   x = 1,654,859.31