Finding the Fourth Proportional to 2,200,129.72, 3,300,197.18 and 602,706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200,129.72 : 3,300,197.18 = 602,706.56 : x
2. Step 2: Convert to fraction form
   2,200,129.72/3,300,197.18 = 602,706.56/x
3. Step 3: Cross multiply
   2,200,129.72x = 3,300,197.18 × 602,706.56
4. Step 4: Simplify right side
   2,200,129.72x = 1,989,050,489,679.50
5. Step 5: Solve for x
   x = 1,989,050,489,679.50/2,200,129.72
6. Step 6: Final answer
   x = 904,060.55