Finding the Fourth Proportional to 2,123,323,563.90, 2,931,443,453.06 and 1,887,723,479.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,323,563.90 : 2,931,443,453.06 = 1,887,723,479.01 : x
2. Step 2: Convert to fraction form
   2,123,323,563.90/2,931,443,453.06 = 1,887,723,479.01/x
3. Step 3: Cross multiply
   2,123,323,563.90x = 2,931,443,453.06 × 1,887,723,479.01
4. Step 4: Simplify right side
   2,123,323,563.90x = 5,533,754,633,731,510,272
5. Step 5: Solve for x
   x = 5,533,754,633,731,510,272/2,123,323,563.90
6. Step 6: Final answer
   x = 2,606,175,868.73