Finding the Fourth Proportional to 21,339,708.89, 32,009,647.37 and 5,165,634.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,339,708.89 : 32,009,647.37 = 5,165,634.18 : x
2. Step 2: Convert to fraction form
   21,339,708.89/32,009,647.37 = 5,165,634.18/x
3. Step 3: Cross multiply
   21,339,708.89x = 32,009,647.37 × 5,165,634.18
4. Step 4: Simplify right side
   21,339,708.89x = 165,350,128,518,390.91
5. Step 5: Solve for x
   x = 165,350,128,518,390.91/21,339,708.89
6. Step 6: Final answer
   x = 7,748,471.61