Finding the Fourth Proportional to 70,402.20, 97,145.82 and 42,097.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,402.20 : 97,145.82 = 42,097.56 : x
2. Step 2: Convert to fraction form
   70,402.20/97,145.82 = 42,097.56/x
3. Step 3: Cross multiply
   70,402.20x = 97,145.82 × 42,097.56
4. Step 4: Simplify right side
   70,402.20x = 4,089,601,986.20
5. Step 5: Solve for x
   x = 4,089,601,986.20/70,402.20
6. Step 6: Final answer
   x = 58,089.12