Finding the Fourth Proportional to 78,111.96, 107,793.90 and 42,301.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,111.96 : 107,793.90 = 42,301.86 : x
2. Step 2: Convert to fraction form
   78,111.96/107,793.90 = 42,301.86/x
3. Step 3: Cross multiply
   78,111.96x = 107,793.90 × 42,301.86
4. Step 4: Simplify right side
   78,111.96x = 4,559,882,466.65
5. Step 5: Solve for x
   x = 4,559,882,466.65/78,111.96
6. Step 6: Final answer
   x = 58,376.24