Finding the Fourth Proportional to 1,499,588,248.81, 2,249,530,906.82 and 554,434,152.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,588,248.81 : 2,249,530,906.82 = 554,434,152.28 : x
2. Step 2: Convert to fraction form
   1,499,588,248.81/2,249,530,906.82 = 554,434,152.28/x
3. Step 3: Cross multiply
   1,499,588,248.81x = 2,249,530,906.82 × 554,434,152.28
4. Step 4: Simplify right side
   1,499,588,248.81x = 1,247,216,761,350,406,400
5. Step 5: Solve for x
   x = 1,247,216,761,350,406,400/1,499,588,248.81
6. Step 6: Final answer
   x = 831,706,144.90