Finding the Fourth Proportional to 78,073.12, 107,741.10 and 42,263.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,073.12 : 107,741.10 = 42,263.56 : x
2. Step 2: Convert to fraction form
   78,073.12/107,741.10 = 42,263.56/x
3. Step 3: Cross multiply
   78,073.12x = 107,741.10 × 42,263.56
4. Step 4: Simplify right side
   78,073.12x = 4,553,522,444.32
5. Step 5: Solve for x
   x = 4,553,522,444.32/78,073.12
6. Step 6: Final answer
   x = 58,323.82