Finding the Fourth Proportional to 13,054,780.35, 18,014,514.06 and 7,174,105.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,054,780.35 : 18,014,514.06 = 7,174,105.32 : x
2. Step 2: Convert to fraction form
   13,054,780.35/18,014,514.06 = 7,174,105.32/x
3. Step 3: Cross multiply
   13,054,780.35x = 18,014,514.06 × 7,174,105.32
4. Step 4: Simplify right side
   13,054,780.35x = 129,238,021,155,060.80
5. Step 5: Solve for x
   x = 129,238,021,155,060.80/13,054,780.35
6. Step 6: Final answer
   x = 9,899,670.29