Finding the Fourth Proportional to 78,830.24, 108,784.80 and 43,020.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,830.24 : 108,784.80 = 43,020.86 : x
2. Step 2: Convert to fraction form
   78,830.24/108,784.80 = 43,020.86/x
3. Step 3: Cross multiply
   78,830.24x = 108,784.80 × 43,020.86
4. Step 4: Simplify right side
   78,830.24x = 4,680,015,650.93
5. Step 5: Solve for x
   x = 4,680,015,650.93/78,830.24
6. Step 6: Final answer
   x = 59,368.28