Finding the Fourth Proportional to 6,142,995.30, 9,221,491.35 and 3,620,072.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142,995.30 : 9,221,491.35 = 3,620,072.10 : x
2. Step 2: Convert to fraction form
   6,142,995.30/9,221,491.35 = 3,620,072.10/x
3. Step 3: Cross multiply
   6,142,995.30x = 9,221,491.35 × 3,620,072.10
4. Step 4: Simplify right side
   6,142,995.30x = 33,382,463,556,526.34
5. Step 5: Solve for x
   x = 33,382,463,556,526.34/6,142,995.30
6. Step 6: Final answer
   x = 5,434,232.31