Finding the Fourth Proportional to 70,731.96, 97,597.08 and 42,061.20

Step by Step Solution

1. Step 1: Write the proportion equation
   70,731.96 : 97,597.08 = 42,061.20 : x
2. Step 2: Convert to fraction form
   70,731.96/97,597.08 = 42,061.20/x
3. Step 3: Cross multiply
   70,731.96x = 97,597.08 × 42,061.20
4. Step 4: Simplify right side
   70,731.96x = 4,105,050,301.30
5. Step 5: Solve for x
   x = 4,105,050,301.30/70,731.96
6. Step 6: Final answer
   x = 58,036.71