Finding the Fourth Proportional to 11,976,900.72, 17,965,428.84 and 4,789,038.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,976,900.72 : 17,965,428.84 = 4,789,038.48 : x
2. Step 2: Convert to fraction form
   11,976,900.72/17,965,428.84 = 4,789,038.48/x
3. Step 3: Cross multiply
   11,976,900.72x = 17,965,428.84 × 4,789,038.48
4. Step 4: Simplify right side
   11,976,900.72x = 86,037,130,024,461.77
5. Step 5: Solve for x
   x = 86,037,130,024,461.77/11,976,900.72
6. Step 6: Final answer
   x = 7,183,588.81