Finding the Fourth Proportional to 9,147,353.94, 12,638,175.72 and 7,785,093.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147,353.94 : 12,638,175.72 = 7,785,093.51 : x
2. Step 2: Convert to fraction form
   9,147,353.94/12,638,175.72 = 7,785,093.51/x
3. Step 3: Cross multiply
   9,147,353.94x = 12,638,175.72 × 7,785,093.51
4. Step 4: Simplify right side
   9,147,353.94x = 98,389,379,776,011.58
5. Step 5: Solve for x
   x = 98,389,379,776,011.58/9,147,353.94
6. Step 6: Final answer
   x = 10,756,048.19