Finding the Fourth Proportional to 1,064,956,979.99, 1,597,607,122.89 and 328,026,542.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,956,979.99 : 1,597,607,122.89 = 328,026,542.15 : x
2. Step 2: Convert to fraction form
   1,064,956,979.99/1,597,607,122.89 = 328,026,542.15/x
3. Step 3: Cross multiply
   1,064,956,979.99x = 1,597,607,122.89 × 328,026,542.15
4. Step 4: Simplify right side
   1,064,956,979.99x = 524,057,540,227,828,800
5. Step 5: Solve for x
   x = 524,057,540,227,828,800/1,064,956,979.99
6. Step 6: Final answer
   x = 492,092,685.50