Finding the Fourth Proportional to 67,778, 93,534.72 and 37,970

Step by Step Solution

1. Step 1: Write the proportion equation
   67,778 : 93,534.72 = 37,970 : x
2. Step 2: Convert to fraction form
   67,778/93,534.72 = 37,970/x
3. Step 3: Cross multiply
   67,778x = 93,534.72 × 37,970
4. Step 4: Simplify right side
   67,778x = 3,551,513,318.40
5. Step 5: Solve for x
   x = 3,551,513,318.40/67,778
6. Step 6: Final answer
   x = 52,399.21