Finding the Fourth Proportional to 8,381,978.88, 12,628,978.26 and 7,573,302.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,381,978.88 : 12,628,978.26 = 7,573,302.96 : x
2. Step 2: Convert to fraction form
   8,381,978.88/12,628,978.26 = 7,573,302.96/x
3. Step 3: Cross multiply
   8,381,978.88x = 12,628,978.26 × 7,573,302.96
4. Step 4: Simplify right side
   8,381,978.88x = 95,643,078,438,233.64
5. Step 5: Solve for x
   x = 95,643,078,438,233.64/8,381,978.88
6. Step 6: Final answer
   x = 11,410,560.66