Finding the Fourth Proportional to 12,964,326.38, 17,891,131.46 and 7,163,483.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,964,326.38 : 17,891,131.46 = 7,163,483.84 : x
2. Step 2: Convert to fraction form
   12,964,326.38/17,891,131.46 = 7,163,483.84/x
3. Step 3: Cross multiply
   12,964,326.38x = 17,891,131.46 × 7,163,483.84
4. Step 4: Simplify right side
   12,964,326.38x = 128,162,831,093,025.61
5. Step 5: Solve for x
   x = 128,162,831,093,025.61/12,964,326.38
6. Step 6: Final answer
   x = 9,885,807.20