Finding the Fourth Proportional to 31,360,993.19, 47,033,091.71 and 8,636,488.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,360,993.19 : 47,033,091.71 = 8,636,488.55 : x
2. Step 2: Convert to fraction form
   31,360,993.19/47,033,091.71 = 8,636,488.55/x
3. Step 3: Cross multiply
   31,360,993.19x = 47,033,091.71 × 8,636,488.55
4. Step 4: Simplify right side
   31,360,993.19x = 406,200,758,131,302.06
5. Step 5: Solve for x
   x = 406,200,758,131,302.06/31,360,993.19
6. Step 6: Final answer
   x = 12,952,420.09