Finding the Fourth Proportional to 103,984.86, 143,499.15 and 56,238.22

Step by Step Solution

1. Step 1: Write the proportion equation
   103,984.86 : 143,499.15 = 56,238.22 : x
2. Step 2: Convert to fraction form
   103,984.86/143,499.15 = 56,238.22/x
3. Step 3: Cross multiply
   103,984.86x = 143,499.15 × 56,238.22
4. Step 4: Simplify right side
   103,984.86x = 8,070,135,768.83
5. Step 5: Solve for x
   x = 8,070,135,768.83/103,984.86
6. Step 6: Final answer
   x = 77,608.76