Finding the Fourth Proportional to 11,619,380.81, 17,395,414.06 and 8,752,820.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,619,380.81 : 17,395,414.06 = 8,752,820.20 : x
2. Step 2: Convert to fraction form
   11,619,380.81/17,395,414.06 = 8,752,820.20/x
3. Step 3: Cross multiply
   11,619,380.81x = 17,395,414.06 × 8,752,820.20
4. Step 4: Simplify right side
   11,619,380.81x = 152,258,931,565,669.31
5. Step 5: Solve for x
   x = 152,258,931,565,669.31/11,619,380.81
6. Step 6: Final answer
   x = 13,103,876.53