Finding the Fourth Proportional to 78,073.42, 107,741.38 and 42,263.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,073.42 : 107,741.38 = 42,263.32 : x
2. Step 2: Convert to fraction form
   78,073.42/107,741.38 = 42,263.32/x
3. Step 3: Cross multiply
   78,073.42x = 107,741.38 × 42,263.32
4. Step 4: Simplify right side
   78,073.42x = 4,553,508,420.18
5. Step 5: Solve for x
   x = 4,553,508,420.18/78,073.42
6. Step 6: Final answer
   x = 58,323.41