Finding the Fourth Proportional to 12,059,065.25, 16,639,636.71 and 7,164,161.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059,065.25 : 16,639,636.71 = 7,164,161.54 : x
2. Step 2: Convert to fraction form
   12,059,065.25/16,639,636.71 = 7,164,161.54/x
3. Step 3: Cross multiply
   12,059,065.25x = 16,639,636.71 × 7,164,161.54
4. Step 4: Simplify right side
   12,059,065.25x = 119,209,045,363,420.19
5. Step 5: Solve for x
   x = 119,209,045,363,420.19/12,059,065.25
6. Step 6: Final answer
   x = 9,885,430.00