Finding the Fourth Proportional to 215,047,451.50, 322,573,044.05 and 69,481,028.43

Step by Step Solution

1. Step 1: Write the proportion equation
   215,047,451.50 : 322,573,044.05 = 69,481,028.43 : x
2. Step 2: Convert to fraction form
   215,047,451.50/322,573,044.05 = 69,481,028.43/x
3. Step 3: Cross multiply
   215,047,451.50x = 322,573,044.05 × 69,481,028.43
4. Step 4: Simplify right side
   215,047,451.50x = 22,412,706,842,429,424
5. Step 5: Solve for x
   x = 22,412,706,842,429,424/215,047,451.50
6. Step 6: Final answer
   x = 104,222,145.79