Finding the Fourth Proportional to 16,875,820.16, 23,288,636.40 and 9,140,838.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,875,820.16 : 23,288,636.40 = 9,140,838.56 : x
2. Step 2: Convert to fraction form
   16,875,820.16/23,288,636.40 = 9,140,838.56/x
3. Step 3: Cross multiply
   16,875,820.16x = 23,288,636.40 × 9,140,838.56
4. Step 4: Simplify right side
   16,875,820.16x = 212,877,665,614,939.59
5. Step 5: Solve for x
   x = 212,877,665,614,939.59/16,875,820.16
6. Step 6: Final answer
   x = 12,614,359.69