Finding the Fourth Proportional to 9,942,009.57, 13,719,758.09 and 5,755,870.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942,009.57 : 13,719,758.09 = 5,755,870.96 : x
2. Step 2: Convert to fraction form
   9,942,009.57/13,719,758.09 = 5,755,870.96/x
3. Step 3: Cross multiply
   9,942,009.57x = 13,719,758.09 × 5,755,870.96
4. Step 4: Simplify right side
   9,942,009.57x = 78,969,157,168,456.06
5. Step 5: Solve for x
   x = 78,969,157,168,456.06/9,942,009.57
6. Step 6: Final answer
   x = 7,942,977.38