Finding the Fourth Proportional to 9,756,814.48, 13,464,225.76 and 5,405,884.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,756,814.48 : 13,464,225.76 = 5,405,884.88 : x
2. Step 2: Convert to fraction form
   9,756,814.48/13,464,225.76 = 5,405,884.88/x
3. Step 3: Cross multiply
   9,756,814.48x = 13,464,225.76 × 5,405,884.88
4. Step 4: Simplify right side
   9,756,814.48x = 72,786,054,456,890.50
5. Step 5: Solve for x
   x = 72,786,054,456,890.50/9,756,814.48
6. Step 6: Final answer
   x = 7,460,022.39