Finding the Fourth Proportional to 1,058,867,499.87, 1,587,718,066.01 and 436,941,363.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,867,499.87 : 1,587,718,066.01 = 436,941,363.42 : x
2. Step 2: Convert to fraction form
   1,058,867,499.87/1,587,718,066.01 = 436,941,363.42/x
3. Step 3: Cross multiply
   1,058,867,499.87x = 1,587,718,066.01 × 436,941,363.42
4. Step 4: Simplify right side
   1,058,867,499.87x = 693,739,696,486,790,272
5. Step 5: Solve for x
   x = 693,739,696,486,790,272/1,058,867,499.87
6. Step 6: Final answer
   x = 655,171,394.51