Finding the Fourth Proportional to 11,291,978.33, 16,928,445.86 and 4,897,414.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,291,978.33 : 16,928,445.86 = 4,897,414.49 : x
2. Step 2: Convert to fraction form
   11,291,978.33/16,928,445.86 = 4,897,414.49/x
3. Step 3: Cross multiply
   11,291,978.33x = 16,928,445.86 × 4,897,414.49
4. Step 4: Simplify right side
   11,291,978.33x = 82,905,616,023,457.44
5. Step 5: Solve for x
   x = 82,905,616,023,457.44/11,291,978.33
6. Step 6: Final answer
   x = 7,341,992.13