Finding the Fourth Proportional to 78,050.67, 107,710.11 and 42,241.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,050.67 : 107,710.11 = 42,241.02 : x
2. Step 2: Convert to fraction form
   78,050.67/107,710.11 = 42,241.02/x
3. Step 3: Cross multiply
   78,050.67x = 107,710.11 × 42,241.02
4. Step 4: Simplify right side
   78,050.67x = 4,549,784,910.71
5. Step 5: Solve for x
   x = 4,549,784,910.71/78,050.67
6. Step 6: Final answer
   x = 58,292.71