Finding the Fourth Proportional to 21,370,353.91, 32,055,081.31 and 5,196,388.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,370,353.91 : 32,055,081.31 = 5,196,388.12 : x
2. Step 2: Convert to fraction form
   21,370,353.91/32,055,081.31 = 5,196,388.12/x
3. Step 3: Cross multiply
   21,370,353.91x = 32,055,081.31 × 5,196,388.12
4. Step 4: Simplify right side
   21,370,353.91x = 166,570,643,704,918.03
5. Step 5: Solve for x
   x = 166,570,643,704,918.03/21,370,353.91
6. Step 6: Final answer
   x = 7,794,472.87