Finding the Fourth Proportional to 805,671,300.72, 1,111,762,798.20 and 453,177,114.24

Step by Step Solution

1. Step 1: Write the proportion equation
   805,671,300.72 : 1,111,762,798.20 = 453,177,114.24 : x
2. Step 2: Convert to fraction form
   805,671,300.72/1,111,762,798.20 = 453,177,114.24/x
3. Step 3: Cross multiply
   805,671,300.72x = 1,111,762,798.20 × 453,177,114.24
4. Step 4: Simplify right side
   805,671,300.72x = 503,825,456,607,663,488
5. Step 5: Solve for x
   x = 503,825,456,607,663,488/805,671,300.72
6. Step 6: Final answer
   x = 625,348,645.48