Finding the Fourth Proportional to 70,401.13, 97,153.55 and 42,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,401.13 : 97,153.55 = 42,113.50 : x
2. Step 2: Convert to fraction form
   70,401.13/97,153.55 = 42,113.50/x
3. Step 3: Cross multiply
   70,401.13x = 97,153.55 × 42,113.50
4. Step 4: Simplify right side
   70,401.13x = 4,091,476,027.93
5. Step 5: Solve for x
   x = 4,091,476,027.93/70,401.13
6. Step 6: Final answer
   x = 58,116.62