Finding the Fourth Proportional to 70,411.38, 97,167.72 and 42,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   70,411.38 : 97,167.72 = 42,123.75 : x
2. Step 2: Convert to fraction form
   70,411.38/97,167.72 = 42,123.75/x
3. Step 3: Cross multiply
   70,411.38x = 97,167.72 × 42,123.75
4. Step 4: Simplify right side
   70,411.38x = 4,093,068,745.35
5. Step 5: Solve for x
   x = 4,093,068,745.35/70,411.38
6. Step 6: Final answer
   x = 58,130.78