Finding the Fourth Proportional to 1,870,501,492.21, 2,581,298,901.61 and 1,012,176,073.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,501,492.21 : 2,581,298,901.61 = 1,012,176,073.91 : x
2. Step 2: Convert to fraction form
   1,870,501,492.21/2,581,298,901.61 = 1,012,176,073.91/x
3. Step 3: Cross multiply
   1,870,501,492.21x = 2,581,298,901.61 × 1,012,176,073.91
4. Step 4: Simplify right side
   1,870,501,492.21x = 2,612,728,987,801,837,568
5. Step 5: Solve for x
   x = 2,612,728,987,801,837,568/1,870,501,492.21
6. Step 6: Final answer
   x = 1,396,806,684.56