Finding the Fourth Proportional to 5,428,141,502.88, 7,491,155,248.47 and 4,087,666,610.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,428,141,502.88 : 7,491,155,248.47 = 4,087,666,610.94 : x
2. Step 2: Convert to fraction form
   5,428,141,502.88/7,491,155,248.47 = 4,087,666,610.94/x
3. Step 3: Cross multiply
   5,428,141,502.88x = 7,491,155,248.47 × 4,087,666,610.94
4. Step 4: Simplify right side
   5,428,141,502.88x = 30,621,345,186,538,758,144
5. Step 5: Solve for x
   x = 30,621,345,186,538,758,144/5,428,141,502.88
6. Step 6: Final answer
   x = 5,641,220,880.17