Finding the Fourth Proportional to 16,685,976, 23,026,646.88 and 9,055,128

Step by Step Solution

1. Step 1: Write the proportion equation
   16,685,976 : 23,026,646.88 = 9,055,128 : x
2. Step 2: Convert to fraction form
   16,685,976/23,026,646.88 = 9,055,128/x
3. Step 3: Cross multiply
   16,685,976x = 23,026,646.88 × 9,055,128
4. Step 4: Simplify right side
   16,685,976x = 208,509,234,909,200.62
5. Step 5: Solve for x
   x = 208,509,234,909,200.62/16,685,976
6. Step 6: Final answer
   x = 12,496,076.64