Finding the Fourth Proportional to 12,951,016.50, 19,427,466.52 and 4,972,840.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,951,016.50 : 19,427,466.52 = 4,972,840.50 : x
2. Step 2: Convert to fraction form
   12,951,016.50/19,427,466.52 = 4,972,840.50/x
3. Step 3: Cross multiply
   12,951,016.50x = 19,427,466.52 × 4,972,840.50
4. Step 4: Simplify right side
   12,951,016.50x = 96,609,692,323,050.06
5. Step 5: Solve for x
   x = 96,609,692,323,050.06/12,951,016.50
6. Step 6: Final answer
   x = 7,459,622.36