Finding the Fourth Proportional to 11,836,139.08, 16,345,152.72 and 11,191,314.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,836,139.08 : 16,345,152.72 = 11,191,314.74 : x
2. Step 2: Convert to fraction form
   11,836,139.08/16,345,152.72 = 11,191,314.74/x
3. Step 3: Cross multiply
   11,836,139.08x = 16,345,152.72 × 11,191,314.74
4. Step 4: Simplify right side
   11,836,139.08x = 182,923,748,562,887.09
5. Step 5: Solve for x
   x = 182,923,748,562,887.09/11,836,139.08
6. Step 6: Final answer
   x = 15,454,680.56