Finding the Fourth Proportional to 13,236,364.17, 19,855,689.90 and 3,651,742.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,236,364.17 : 19,855,689.90 = 3,651,742.71 : x
2. Step 2: Convert to fraction form
   13,236,364.17/19,855,689.90 = 3,651,742.71/x
3. Step 3: Cross multiply
   13,236,364.17x = 19,855,689.90 × 3,651,742.71
4. Step 4: Simplify right side
   13,236,364.17x = 72,507,870,844,345.62
5. Step 5: Solve for x
   x = 72,507,870,844,345.62/13,236,364.17
6. Step 6: Final answer
   x = 5,477,929.58