Finding the Fourth Proportional to 11,868,999.62, 17,783,139.47 and 7,971,150.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,868,999.62 : 17,783,139.47 = 7,971,150.42 : x
2. Step 2: Convert to fraction form
   11,868,999.62/17,783,139.47 = 7,971,150.42/x
3. Step 3: Cross multiply
   11,868,999.62x = 17,783,139.47 × 7,971,150.42
4. Step 4: Simplify right side
   11,868,999.62x = 141,752,079,615,353.31
5. Step 5: Solve for x
   x = 141,752,079,615,353.31/11,868,999.62
6. Step 6: Final answer
   x = 11,943,052.00