Finding the Fourth Proportional to 78,941.32, 108,938.84 and 43,131.61

Step by Step Solution

1. Step 1: Write the proportion equation
   78,941.32 : 108,938.84 = 43,131.61 : x
2. Step 2: Convert to fraction form
   78,941.32/108,938.84 = 43,131.61/x
3. Step 3: Cross multiply
   78,941.32x = 108,938.84 × 43,131.61
4. Step 4: Simplify right side
   78,941.32x = 4,698,707,111.08
5. Step 5: Solve for x
   x = 4,698,707,111.08/78,941.32
6. Step 6: Final answer
   x = 59,521.51