Finding the Fourth Proportional to 9,978,292.89, 14,965,151.17 and 2,790,331.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978,292.89 : 14,965,151.17 = 2,790,331.93 : x
2. Step 2: Convert to fraction form
   9,978,292.89/14,965,151.17 = 2,790,331.93/x
3. Step 3: Cross multiply
   9,978,292.89x = 14,965,151.17 × 2,790,331.93
4. Step 4: Simplify right side
   9,978,292.89x = 41,757,739,146,927.86
5. Step 5: Solve for x
   x = 41,757,739,146,927.86/9,978,292.89
6. Step 6: Final answer
   x = 4,184,858.03