Finding the Fourth Proportional to 1,588,011,870.72, 2,189,935,514.88 and 1,051,313,957.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588,011,870.72 : 2,189,935,514.88 = 1,051,313,957.76 : x
2. Step 2: Convert to fraction form
   1,588,011,870.72/2,189,935,514.88 = 1,051,313,957.76/x
3. Step 3: Cross multiply
   1,588,011,870.72x = 2,189,935,514.88 × 1,051,313,957.76
4. Step 4: Simplify right side
   1,588,011,870.72x = 2,302,309,773,387,676,160
5. Step 5: Solve for x
   x = 2,302,309,773,387,676,160/1,588,011,870.72
6. Step 6: Final answer
   x = 1,449,806,399.96