Finding the Fourth Proportional to 109,773,144.76, 164,440,165.56 and 66,029,756.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,773,144.76 : 164,440,165.56 = 66,029,756.12 : x
2. Step 2: Convert to fraction form
   109,773,144.76/164,440,165.56 = 66,029,756.12/x
3. Step 3: Cross multiply
   109,773,144.76x = 164,440,165.56 × 66,029,756.12
4. Step 4: Simplify right side
   109,773,144.76x = 10,857,944,028,259,222
5. Step 5: Solve for x
   x = 10,857,944,028,259,222/109,773,144.76
6. Step 6: Final answer
   x = 98,912,571.49