Finding the Fourth Proportional to 78,051.18, 107,710.76 and 42,241.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,051.18 : 107,710.76 = 42,241.23 : x
2. Step 2: Convert to fraction form
   78,051.18/107,710.76 = 42,241.23/x
3. Step 3: Cross multiply
   78,051.18x = 107,710.76 × 42,241.23
4. Step 4: Simplify right side
   78,051.18x = 4,549,834,986.63
5. Step 5: Solve for x
   x = 4,549,834,986.63/78,051.18
6. Step 6: Final answer
   x = 58,292.97