Finding the Fourth Proportional to 70,948.76, 97,860.06 and 57,520.52

Step by Step Solution

1. Step 1: Write the proportion equation
   70,948.76 : 97,860.06 = 57,520.52 : x
2. Step 2: Convert to fraction form
   70,948.76/97,860.06 = 57,520.52/x
3. Step 3: Cross multiply
   70,948.76x = 97,860.06 × 57,520.52
4. Step 4: Simplify right side
   70,948.76x = 5,628,961,538.43
5. Step 5: Solve for x
   x = 5,628,961,538.43/70,948.76
6. Step 6: Final answer
   x = 79,338.41