Finding the Fourth Proportional to 3,655,701,721.50, 5,044,868,375.67 and 2,091,139,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655,701,721.50 : 5,044,868,375.67 = 2,091,139,417.50 : x
2. Step 2: Convert to fraction form
   3,655,701,721.50/5,044,868,375.67 = 2,091,139,417.50/x
3. Step 3: Cross multiply
   3,655,701,721.50x = 5,044,868,375.67 × 2,091,139,417.50
4. Step 4: Simplify right side
   3,655,701,721.50x = 10,549,523,116,462,735,360
5. Step 5: Solve for x
   x = 10,549,523,116,462,735,360/3,655,701,721.50
6. Step 6: Final answer
   x = 2,885,772,396.15