Finding the Fourth Proportional to 28,331,945.86, 42,493,164.49 and 7,863,744.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,331,945.86 : 42,493,164.49 = 7,863,744.82 : x
2. Step 2: Convert to fraction form
   28,331,945.86/42,493,164.49 = 7,863,744.82/x
3. Step 3: Cross multiply
   28,331,945.86x = 42,493,164.49 × 7,863,744.82
4. Step 4: Simplify right side
   28,331,945.86x = 334,155,402,143,645.50
5. Step 5: Solve for x
   x = 334,155,402,143,645.50/28,331,945.86
6. Step 6: Final answer
   x = 11,794,297.64