Finding the Fourth Proportional to 70,870.68, 97,801.56 and 42,576.30

Step by Step Solution

1. Step 1: Write the proportion equation
   70,870.68 : 97,801.56 = 42,576.30 : x
2. Step 2: Convert to fraction form
   70,870.68/97,801.56 = 42,576.30/x
3. Step 3: Cross multiply
   70,870.68x = 97,801.56 × 42,576.30
4. Step 4: Simplify right side
   70,870.68x = 4,164,028,559.03
5. Step 5: Solve for x
   x = 4,164,028,559.03/70,870.68
6. Step 6: Final answer
   x = 58,755.31