Finding the Fourth Proportional to 13,636,608.71, 18,818,919.72 and 7,442,053.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,636,608.71 : 18,818,919.72 = 7,442,053.71 : x
2. Step 2: Convert to fraction form
   13,636,608.71/18,818,919.72 = 7,442,053.71/x
3. Step 3: Cross multiply
   13,636,608.71x = 18,818,919.72 × 7,442,053.71
4. Step 4: Simplify right side
   13,636,608.71x = 140,051,411,226,323.56
5. Step 5: Solve for x
   x = 140,051,411,226,323.56/13,636,608.71
6. Step 6: Final answer
   x = 10,270,252.25