Finding the Fourth Proportional to 2,091,931,390.53, 2,886,806,354.81 and 1,139,290,625.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,931,390.53 : 2,886,806,354.81 = 1,139,290,625.84 : x
2. Step 2: Convert to fraction form
   2,091,931,390.53/2,886,806,354.81 = 1,139,290,625.84/x
3. Step 3: Cross multiply
   2,091,931,390.53x = 2,886,806,354.81 × 1,139,290,625.84
4. Step 4: Simplify right side
   2,091,931,390.53x = 3,288,911,418,630,243,328
5. Step 5: Solve for x
   x = 3,288,911,418,630,243,328/2,091,931,390.53
6. Step 6: Final answer
   x = 1,572,188,951.09