Finding the Fourth Proportional to 10,065,660.53, 13,890,769.72 and 5,481,978.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065,660.53 : 13,890,769.72 = 5,481,978.26 : x
2. Step 2: Convert to fraction form
   10,065,660.53/13,890,769.72 = 5,481,978.26/x
3. Step 3: Cross multiply
   10,065,660.53x = 13,890,769.72 × 5,481,978.26
4. Step 4: Simplify right side
   10,065,660.53x = 76,148,897,536,547.48
5. Step 5: Solve for x
   x = 76,148,897,536,547.48/10,065,660.53
6. Step 6: Final answer
   x = 7,565,216.15