Finding the Fourth Proportional to 67,527,857.72, 101,185,566.42 and 52,212,559.16

Step by Step Solution

1. Step 1: Write the proportion equation
   67,527,857.72 : 101,185,566.42 = 52,212,559.16 : x
2. Step 2: Convert to fraction form
   67,527,857.72/101,185,566.42 = 52,212,559.16/x
3. Step 3: Cross multiply
   67,527,857.72x = 101,185,566.42 × 52,212,559.16
4. Step 4: Simplify right side
   67,527,857.72x = 5,283,157,372,842,359
5. Step 5: Solve for x
   x = 5,283,157,372,842,359/67,527,857.72
6. Step 6: Final answer
   x = 78,236,709.28