Finding the Fourth Proportional to 78,051.56, 107,711.16 and 42,241.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,051.56 : 107,711.16 = 42,241.83 : x
2. Step 2: Convert to fraction form
   78,051.56/107,711.16 = 42,241.83/x
3. Step 3: Cross multiply
   78,051.56x = 107,711.16 × 42,241.83
4. Step 4: Simplify right side
   78,051.56x = 4,549,916,509.82
5. Step 5: Solve for x
   x = 4,549,916,509.82/78,051.56
6. Step 6: Final answer
   x = 58,293.73