Finding the Fourth Proportional to 112,499,956.69, 168,413,723.46 and 68,049,722.36

Step by Step Solution

1. Step 1: Write the proportion equation
   112,499,956.69 : 168,413,723.46 = 68,049,722.36 : x
2. Step 2: Convert to fraction form
   112,499,956.69/168,413,723.46 = 68,049,722.36/x
3. Step 3: Cross multiply
   112,499,956.69x = 168,413,723.46 × 68,049,722.36
4. Step 4: Simplify right side
   112,499,956.69x = 11,460,507,123,066,820
5. Step 5: Solve for x
   x = 11,460,507,123,066,820/112,499,956.69
6. Step 6: Final answer
   x = 101,871,213.65