Finding the Fourth Proportional to 8,898,326.70, 12,279,787.59 and 5,227,398

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898,326.70 : 12,279,787.59 = 5,227,398 : x
2. Step 2: Convert to fraction form
   8,898,326.70/12,279,787.59 = 5,227,398/x
3. Step 3: Cross multiply
   8,898,326.70x = 12,279,787.59 × 5,227,398
4. Step 4: Simplify right side
   8,898,326.70x = 64,191,337,088,390.82
5. Step 5: Solve for x
   x = 64,191,337,088,390.82/8,898,326.70
6. Step 6: Final answer
   x = 7,213,866.07