Finding the Fourth Proportional to 78,010.83, 107,654.82 and 42,200.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,010.83 : 107,654.82 = 42,200.84 : x
2. Step 2: Convert to fraction form
   78,010.83/107,654.82 = 42,200.84/x
3. Step 3: Cross multiply
   78,010.83x = 107,654.82 × 42,200.84
4. Step 4: Simplify right side
   78,010.83x = 4,543,123,295.77
5. Step 5: Solve for x
   x = 4,543,123,295.77/78,010.83
6. Step 6: Final answer
   x = 58,237.08