Finding the Fourth Proportional to 78,507.63, 108,337.41 and 42,697.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,507.63 : 108,337.41 = 42,697.62 : x
2. Step 2: Convert to fraction form
   78,507.63/108,337.41 = 42,697.62/x
3. Step 3: Cross multiply
   78,507.63x = 108,337.41 × 42,697.62
4. Step 4: Simplify right side
   78,507.63x = 4,625,749,563.96
5. Step 5: Solve for x
   x = 4,625,749,563.96/78,507.63
6. Step 6: Final answer
   x = 58,921.02