Finding the Fourth Proportional to 8,122,111.98, 11,213,610.93 and 5,226,534.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,122,111.98 : 11,213,610.93 = 5,226,534.78 : x
2. Step 2: Convert to fraction form
   8,122,111.98/11,213,610.93 = 5,226,534.78/x
3. Step 3: Cross multiply
   8,122,111.98x = 11,213,610.93 × 5,226,534.78
4. Step 4: Simplify right side
   8,122,111.98x = 58,608,327,535,033.15
5. Step 5: Solve for x
   x = 58,608,327,535,033.15/8,122,111.98
6. Step 6: Final answer
   x = 7,215,897.50