Finding the Fourth Proportional to 9,238,019.71, 12,748,202.71 and 5,107,979.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238,019.71 : 12,748,202.71 = 5,107,979.47 : x
2. Step 2: Convert to fraction form
   9,238,019.71/12,748,202.71 = 5,107,979.47/x
3. Step 3: Cross multiply
   9,238,019.71x = 12,748,202.71 × 5,107,979.47
4. Step 4: Simplify right side
   9,238,019.71x = 65,117,557,722,078.37
5. Step 5: Solve for x
   x = 65,117,557,722,078.37/9,238,019.71
6. Step 6: Final answer
   x = 7,048,865.42