Finding the Fourth Proportional to 11,291,978.58, 16,928,446.23 and 4,897,414.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,291,978.58 : 16,928,446.23 = 4,897,414.74 : x
2. Step 2: Convert to fraction form
   11,291,978.58/16,928,446.23 = 4,897,414.74/x
3. Step 3: Cross multiply
   11,291,978.58x = 16,928,446.23 × 4,897,414.74
4. Step 4: Simplify right side
   11,291,978.58x = 82,905,622,092,099.44
5. Step 5: Solve for x
   x = 82,905,622,092,099.44/11,291,978.58
6. Step 6: Final answer
   x = 7,341,992.50