Finding the Fourth Proportional to 30,497,318.32, 45,735,828.72 and 12,296,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,497,318.32 : 45,735,828.72 = 12,296,812.72 : x
2. Step 2: Convert to fraction form
   30,497,318.32/45,735,828.72 = 12,296,812.72/x
3. Step 3: Cross multiply
   30,497,318.32x = 45,735,828.72 × 12,296,812.72
4. Step 4: Simplify right side
   30,497,318.32x = 562,404,920,363,837.31
5. Step 5: Solve for x
   x = 562,404,920,363,837.31/30,497,318.32
6. Step 6: Final answer
   x = 18,441,127.00