Finding the Fourth Proportional to 67,259.72, 92,817.06 and 42,123.08

Step by Step Solution

1. Step 1: Write the proportion equation
   67,259.72 : 92,817.06 = 42,123.08 : x
2. Step 2: Convert to fraction form
   67,259.72/92,817.06 = 42,123.08/x
3. Step 3: Cross multiply
   67,259.72x = 92,817.06 × 42,123.08
4. Step 4: Simplify right side
   67,259.72x = 3,909,740,443.74
5. Step 5: Solve for x
   x = 3,909,740,443.74/67,259.72
6. Step 6: Final answer
   x = 58,129.00