Finding the Fourth Proportional to 9,620,769.72, 13,272,966.72 and 5,491,030.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,620,769.72 : 13,272,966.72 = 5,491,030.08 : x
2. Step 2: Convert to fraction form
   9,620,769.72/13,272,966.72 = 5,491,030.08/x
3. Step 3: Cross multiply
   9,620,769.72x = 13,272,966.72 × 5,491,030.08
4. Step 4: Simplify right side
   9,620,769.72x = 72,882,259,510,358.94
5. Step 5: Solve for x
   x = 72,882,259,510,358.94/9,620,769.72
6. Step 6: Final answer
   x = 7,575,512.32