Finding the Fourth Proportional to 12,910,271.99, 17,816,175.32 and 7,109,039.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,910,271.99 : 17,816,175.32 = 7,109,039.93 : x
2. Step 2: Convert to fraction form
   12,910,271.99/17,816,175.32 = 7,109,039.93/x
3. Step 3: Cross multiply
   12,910,271.99x = 17,816,175.32 × 7,109,039.93
4. Step 4: Simplify right side
   12,910,271.99x = 126,655,901,625,134.45
5. Step 5: Solve for x
   x = 126,655,901,625,134.45/12,910,271.99
6. Step 6: Final answer
   x = 9,810,475.08