Finding the Fourth Proportional to 17,498,499.27, 26,261,145.95 and 7,920,603.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,498,499.27 : 26,261,145.95 = 7,920,603.99 : x
2. Step 2: Convert to fraction form
   17,498,499.27/26,261,145.95 = 7,920,603.99/x
3. Step 3: Cross multiply
   17,498,499.27x = 26,261,145.95 × 7,920,603.99
4. Step 4: Simplify right side
   17,498,499.27x = 208,004,137,353,939.34
5. Step 5: Solve for x
   x = 208,004,137,353,939.34/17,498,499.27
6. Step 6: Final answer
   x = 11,886,970.08