Finding the Fourth Proportional to 9,978,877.74, 13,769,822.94 and 7,366,771.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978,877.74 : 13,769,822.94 = 7,366,771.10 : x
2. Step 2: Convert to fraction form
   9,978,877.74/13,769,822.94 = 7,366,771.10/x
3. Step 3: Cross multiply
   9,978,877.74x = 13,769,822.94 × 7,366,771.10
4. Step 4: Simplify right side
   9,978,877.74x = 101,439,133,686,509.03
5. Step 5: Solve for x
   x = 101,439,133,686,509.03/9,978,877.74
6. Step 6: Final answer
   x = 10,165,384.96