Finding the Fourth Proportional to 70,997.28, 97,993.32 and 42,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,997.28 : 97,993.32 = 42,697.50 : x
2. Step 2: Convert to fraction form
   70,997.28/97,993.32 = 42,697.50/x
3. Step 3: Cross multiply
   70,997.28x = 97,993.32 × 42,697.50
4. Step 4: Simplify right side
   70,997.28x = 4,184,069,780.70
5. Step 5: Solve for x
   x = 4,184,069,780.70/70,997.28
6. Step 6: Final answer
   x = 58,932.82