Finding the Fourth Proportional to 4,293,077.10, 6,428,986.56 and 3,153,136.02

Step by Step Solution

1. Step 1: Write the proportion equation
   4,293,077.10 : 6,428,986.56 = 3,153,136.02 : x
2. Step 2: Convert to fraction form
   4,293,077.10/6,428,986.56 = 3,153,136.02/x
3. Step 3: Cross multiply
   4,293,077.10x = 6,428,986.56 × 3,153,136.02
4. Step 4: Simplify right side
   4,293,077.10x = 20,271,469,094,431.89
5. Step 5: Solve for x
   x = 20,271,469,094,431.89/4,293,077.10
6. Step 6: Final answer
   x = 4,721,897.28