Finding the Fourth Proportional to 9,978,294.07, 14,965,152.96 and 2,790,333.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978,294.07 : 14,965,152.96 = 2,790,333.11 : x
2. Step 2: Convert to fraction form
   9,978,294.07/14,965,152.96 = 2,790,333.11/x
3. Step 3: Cross multiply
   9,978,294.07x = 14,965,152.96 × 2,790,333.11
4. Step 4: Simplify right side
   9,978,294.07x = 41,757,761,800,502.51
5. Step 5: Solve for x
   x = 41,757,761,800,502.51/9,978,294.07
6. Step 6: Final answer
   x = 4,184,859.81