Finding the Fourth Proportional to 13,322,060.38, 18,384,593.82 and 7,815,529.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,322,060.38 : 18,384,593.82 = 7,815,529.12 : x
2. Step 2: Convert to fraction form
   13,322,060.38/18,384,593.82 = 7,815,529.12/x
3. Step 3: Cross multiply
   13,322,060.38x = 18,384,593.82 × 7,815,529.12
4. Step 4: Simplify right side
   13,322,060.38x = 143,685,328,359,582.03
5. Step 5: Solve for x
   x = 143,685,328,359,582.03/13,322,060.38
6. Step 6: Final answer
   x = 10,785,518.48