Finding the Fourth Proportional to 11,880,630.10, 17,828,441.61 and 5,057,192.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,880,630.10 : 17,828,441.61 = 5,057,192.15 : x
2. Step 2: Convert to fraction form
   11,880,630.10/17,828,441.61 = 5,057,192.15/x
3. Step 3: Cross multiply
   11,880,630.10x = 17,828,441.61 × 5,057,192.15
4. Step 4: Simplify right side
   11,880,630.10x = 90,161,855,037,191.56
5. Step 5: Solve for x
   x = 90,161,855,037,191.56/11,880,630.10
6. Step 6: Final answer
   x = 7,588,979.22