Finding the Fourth Proportional to 70,411.28, 97,198 and 42,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,411.28 : 97,198 = 42,111.50 : x
2. Step 2: Convert to fraction form
   70,411.28/97,198 = 42,111.50/x
3. Step 3: Cross multiply
   70,411.28x = 97,198 × 42,111.50
4. Step 4: Simplify right side
   70,411.28x = 4,093,153,577
5. Step 5: Solve for x
   x = 4,093,153,577/70,411.28
6. Step 6: Final answer
   x = 58,132.07