Finding the Fourth Proportional to 16,875,498.42, 23,286,978.74 and 9,906,458.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,875,498.42 : 23,286,978.74 = 9,906,458.90 : x
2. Step 2: Convert to fraction form
   16,875,498.42/23,286,978.74 = 9,906,458.90/x
3. Step 3: Cross multiply
   16,875,498.42x = 23,286,978.74 × 9,906,458.90
4. Step 4: Simplify right side
   16,875,498.42x = 230,691,497,627,016.59
5. Step 5: Solve for x
   x = 230,691,497,627,016.59/16,875,498.42
6. Step 6: Final answer
   x = 13,670,203.50