Finding the Fourth Proportional to 21,855,300.46, 30,164,263.59 and 13,035,317.74

Step by Step Solution

1. Step 1: Write the proportion equation
   21,855,300.46 : 30,164,263.59 = 13,035,317.74 : x
2. Step 2: Convert to fraction form
   21,855,300.46/30,164,263.59 = 13,035,317.74/x
3. Step 3: Cross multiply
   21,855,300.46x = 30,164,263.59 × 13,035,317.74
4. Step 4: Simplify right side
   21,855,300.46x = 393,200,760,288,763.06
5. Step 5: Solve for x
   x = 393,200,760,288,763.06/21,855,300.46
6. Step 6: Final answer
   x = 17,991,093.79