Finding the Fourth Proportional to 43,217,806.01, 64,826,819.72 and 17,658,815.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,217,806.01 : 64,826,819.72 = 17,658,815.42 : x
2. Step 2: Convert to fraction form
   43,217,806.01/64,826,819.72 = 17,658,815.42/x
3. Step 3: Cross multiply
   43,217,806.01x = 64,826,819.72 × 17,658,815.42
4. Step 4: Simplify right side
   43,217,806.01x = 1,144,764,843,575,769.75
5. Step 5: Solve for x
   x = 1,144,764,843,575,769.75/43,217,806.01
6. Step 6: Final answer
   x = 26,488,268.36