Finding the Fourth Proportional to 12,059,066.25, 16,639,638.09 and 7,164,162.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059,066.25 : 16,639,638.09 = 7,164,162.54 : x
2. Step 2: Convert to fraction form
   12,059,066.25/16,639,638.09 = 7,164,162.54/x
3. Step 3: Cross multiply
   12,059,066.25x = 16,639,638.09 × 7,164,162.54
4. Step 4: Simplify right side
   12,059,066.25x = 119,209,071,883,535.14
5. Step 5: Solve for x
   x = 119,209,071,883,535.14/12,059,066.25
6. Step 6: Final answer
   x = 9,885,431.38