Finding the Fourth Proportional to 70,931.60, 97,892.50 and 52,995.47

Step by Step Solution

1. Step 1: Write the proportion equation
   70,931.60 : 97,892.50 = 52,995.47 : x
2. Step 2: Convert to fraction form
   70,931.60/97,892.50 = 52,995.47/x
3. Step 3: Cross multiply
   70,931.60x = 97,892.50 × 52,995.47
4. Step 4: Simplify right side
   70,931.60x = 5,187,858,425.02
5. Step 5: Solve for x
   x = 5,187,858,425.02/70,931.60
6. Step 6: Final answer
   x = 73,138.89