Finding the Fourth Proportional to 42,579,983.48, 63,869,968.68 and 10,231,886.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,579,983.48 : 63,869,968.68 = 10,231,886.39 : x
2. Step 2: Convert to fraction form
   42,579,983.48/63,869,968.68 = 10,231,886.39/x
3. Step 3: Cross multiply
   42,579,983.48x = 63,869,968.68 × 10,231,886.39
4. Step 4: Simplify right side
   42,579,983.48x = 653,510,262,966,453.12
5. Step 5: Solve for x
   x = 653,510,262,966,453.12/42,579,983.48
6. Step 6: Final answer
   x = 15,347,828.01