Finding the Fourth Proportional to 148,020,563.34, 204,269,992.29 and 81,942,164.10

Step by Step Solution

1. Step 1: Write the proportion equation
   148,020,563.34 : 204,269,992.29 = 81,942,164.10 : x
2. Step 2: Convert to fraction form
   148,020,563.34/204,269,992.29 = 81,942,164.10/x
3. Step 3: Cross multiply
   148,020,563.34x = 204,269,992.29 × 81,942,164.10
4. Step 4: Simplify right side
   148,020,563.34x = 16,738,325,228,932,912
5. Step 5: Solve for x
   x = 16,738,325,228,932,912/148,020,563.34
6. Step 6: Final answer
   x = 113,081,080.43