Finding the Fourth Proportional to 71,098.98, 106,670.48 and 42,667.68

Step by Step Solution

1. Step 1: Write the proportion equation
   71,098.98 : 106,670.48 = 42,667.68 : x
2. Step 2: Convert to fraction form
   71,098.98/106,670.48 = 42,667.68/x
3. Step 3: Cross multiply
   71,098.98x = 106,670.48 × 42,667.68
4. Step 4: Simplify right side
   71,098.98x = 4,551,381,692.75
5. Step 5: Solve for x
   x = 4,551,381,692.75/71,098.98
6. Step 6: Final answer
   x = 64,014.73