Finding the Fourth Proportional to 78,010.90, 107,654.71 and 42,200.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,010.90 : 107,654.71 = 42,200.82 : x
2. Step 2: Convert to fraction form
   78,010.90/107,654.71 = 42,200.82/x
3. Step 3: Cross multiply
   78,010.90x = 107,654.71 × 42,200.82
4. Step 4: Simplify right side
   78,010.90x = 4,543,116,289.58
5. Step 5: Solve for x
   x = 4,543,116,289.58/78,010.90
6. Step 6: Final answer
   x = 58,236.95