Finding the Fourth Proportional to 206,796,796.56, 285,381,315.72 and 113,977,541.52

Step by Step Solution

1. Step 1: Write the proportion equation
   206,796,796.56 : 285,381,315.72 = 113,977,541.52 : x
2. Step 2: Convert to fraction form
   206,796,796.56/285,381,315.72 = 113,977,541.52/x
3. Step 3: Cross multiply
   206,796,796.56x = 285,381,315.72 × 113,977,541.52
4. Step 4: Simplify right side
   206,796,796.56x = 32,527,060,761,508,532
5. Step 5: Solve for x
   x = 32,527,060,761,508,532/206,796,796.56
6. Step 6: Final answer
   x = 157,289,964.36