Finding the Fourth Proportional to 78,051.06, 107,710.74 and 42,241.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,051.06 : 107,710.74 = 42,241.05 : x
2. Step 2: Convert to fraction form
   78,051.06/107,710.74 = 42,241.05/x
3. Step 3: Cross multiply
   78,051.06x = 107,710.74 × 42,241.05
4. Step 4: Simplify right side
   78,051.06x = 4,549,814,753.88
5. Step 5: Solve for x
   x = 4,549,814,753.88/78,051.06
6. Step 6: Final answer
   x = 58,292.80