Finding the Fourth Proportional to 17,009,007.36, 25,499,060.64 and 7,916,385.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,009,007.36 : 25,499,060.64 = 7,916,385.12 : x
2. Step 2: Convert to fraction form
   17,009,007.36/25,499,060.64 = 7,916,385.12/x
3. Step 3: Cross multiply
   17,009,007.36x = 25,499,060.64 × 7,916,385.12
4. Step 4: Simplify right side
   17,009,007.36x = 201,860,384,224,473.69
5. Step 5: Solve for x
   x = 201,860,384,224,473.69/17,009,007.36
6. Step 6: Final answer
   x = 11,867,852.13