Finding the Fourth Proportional to 13,978,585.83, 19,290,264.41 and 7,698,992.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,978,585.83 : 19,290,264.41 = 7,698,992.49 : x
2. Step 2: Convert to fraction form
   13,978,585.83/19,290,264.41 = 7,698,992.49/x
3. Step 3: Cross multiply
   13,978,585.83x = 19,290,264.41 × 7,698,992.49
4. Step 4: Simplify right side
   13,978,585.83x = 148,515,600,841,951.78
5. Step 5: Solve for x
   x = 148,515,600,841,951.78/13,978,585.83
6. Step 6: Final answer
   x = 10,624,508.27