Finding the Fourth Proportional to 5,147,531.69, 7,100,642.34 and 3,210,429.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147,531.69 : 7,100,642.34 = 3,210,429.23 : x
2. Step 2: Convert to fraction form
   5,147,531.69/7,100,642.34 = 3,210,429.23/x
3. Step 3: Cross multiply
   5,147,531.69x = 7,100,642.34 × 3,210,429.23
4. Step 4: Simplify right side
   5,147,531.69x = 22,796,109,720,111.60
5. Step 5: Solve for x
   x = 22,796,109,720,111.60/5,147,531.69
6. Step 6: Final answer
   x = 4,428,551.60