Finding the Fourth Proportional to 9,605,843.89, 13,256,169.20 and 5,254,836.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605,843.89 : 13,256,169.20 = 5,254,836.78 : x
2. Step 2: Convert to fraction form
   9,605,843.89/13,256,169.20 = 5,254,836.78/x
3. Step 3: Cross multiply
   9,605,843.89x = 13,256,169.20 × 5,254,836.78
4. Step 4: Simplify right side
   9,605,843.89x = 69,659,005,474,063.17
5. Step 5: Solve for x
   x = 69,659,005,474,063.17/9,605,843.89
6. Step 6: Final answer
   x = 7,251,731.99