Finding the Fourth Proportional to 9,825,716.72, 13,559,312.69 and 5,355,312.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,825,716.72 : 13,559,312.69 = 5,355,312.05 : x
2. Step 2: Convert to fraction form
   9,825,716.72/13,559,312.69 = 5,355,312.05/x
3. Step 3: Cross multiply
   9,825,716.72x = 13,559,312.69 × 5,355,312.05
4. Step 4: Simplify right side
   9,825,716.72x = 72,614,350,543,901.80
5. Step 5: Solve for x
   x = 72,614,350,543,901.80/9,825,716.72
6. Step 6: Final answer
   x = 7,390,234.49