Finding the Fourth Proportional to 16,898,907.72, 23,320,498.84 and 9,163,947.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,898,907.72 : 23,320,498.84 = 9,163,947.98 : x
2. Step 2: Convert to fraction form
   16,898,907.72/23,320,498.84 = 9,163,947.98/x
3. Step 3: Cross multiply
   16,898,907.72x = 23,320,498.84 × 9,163,947.98
4. Step 4: Simplify right side
   16,898,907.72x = 213,707,838,237,410.34
5. Step 5: Solve for x
   x = 213,707,838,237,410.34/16,898,907.72
6. Step 6: Final answer
   x = 12,646,251.57