Finding the Fourth Proportional to 9,926,259.59, 13,698,650.06 and 5,515,968.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926,259.59 : 13,698,650.06 = 5,515,968.75 : x
2. Step 2: Convert to fraction form
   9,926,259.59/13,698,650.06 = 5,515,968.75/x
3. Step 3: Cross multiply
   9,926,259.59x = 13,698,650.06 × 5,515,968.75
4. Step 4: Simplify right side
   9,926,259.59x = 75,561,325,620,565.78
5. Step 5: Solve for x
   x = 75,561,325,620,565.78/9,926,259.59
6. Step 6: Final answer
   x = 7,612,265.73