Finding the Fourth Proportional to 11,109,693.21, 16,646,341.88 and 5,916,789.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109,693.21 : 16,646,341.88 = 5,916,789.36 : x
2. Step 2: Convert to fraction form
   11,109,693.21/16,646,341.88 = 5,916,789.36/x
3. Step 3: Cross multiply
   11,109,693.21x = 16,646,341.88 × 5,916,789.36
4. Step 4: Simplify right side
   11,109,693.21x = 98,492,898,488,922.45
5. Step 5: Solve for x
   x = 98,492,898,488,922.45/11,109,693.21
6. Step 6: Final answer
   x = 8,865,492.20