Finding the Fourth Proportional to 6,436,482.47, 9,653,662.59 and 2,118,588.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436,482.47 : 9,653,662.59 = 2,118,588.89 : x
2. Step 2: Convert to fraction form
   6,436,482.47/9,653,662.59 = 2,118,588.89/x
3. Step 3: Cross multiply
   6,436,482.47x = 9,653,662.59 × 2,118,588.89
4. Step 4: Simplify right side
   6,436,482.47x = 20,452,142,354,097.88
5. Step 5: Solve for x
   x = 20,452,142,354,097.88/6,436,482.47
6. Step 6: Final answer
   x = 3,177,534.07