Finding the Fourth Proportional to 111,722,039.89, 154,173,997.29 and 64,681,096.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,722,039.89 : 154,173,997.29 = 64,681,096.84 : x
2. Step 2: Convert to fraction form
   111,722,039.89/154,173,997.29 = 64,681,096.84/x
3. Step 3: Cross multiply
   111,722,039.89x = 154,173,997.29 × 64,681,096.84
4. Step 4: Simplify right side
   111,722,039.89x = 9,972,143,248,153,518
5. Step 5: Solve for x
   x = 9,972,143,248,153,518/111,722,039.89
6. Step 6: Final answer
   x = 89,258,513.88