Finding the Fourth Proportional to 12,499,603.98, 17,249,326.38 and 6,917,861.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499,603.98 : 17,249,326.38 = 6,917,861.34 : x
2. Step 2: Convert to fraction form
   12,499,603.98/17,249,326.38 = 6,917,861.34/x
3. Step 3: Cross multiply
   12,499,603.98x = 17,249,326.38 × 6,917,861.34
4. Step 4: Simplify right side
   12,499,603.98x = 119,328,448,105,244.14
5. Step 5: Solve for x
   x = 119,328,448,105,244.14/12,499,603.98
6. Step 6: Final answer
   x = 9,546,578.30