Finding the Fourth Proportional to 2,123,323,562.90, 2,931,443,451.68 and 1,887,723,478.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,323,562.90 : 2,931,443,451.68 = 1,887,723,478.01 : x
2. Step 2: Convert to fraction form
   2,123,323,562.90/2,931,443,451.68 = 1,887,723,478.01/x
3. Step 3: Cross multiply
   2,123,323,562.90x = 2,931,443,451.68 × 1,887,723,478.01
4. Step 4: Simplify right side
   2,123,323,562.90x = 5,533,754,628,192,899,072
5. Step 5: Solve for x
   x = 5,533,754,628,192,899,072/2,123,323,562.90
6. Step 6: Final answer
   x = 2,606,175,867.34