Finding the Fourth Proportional to 12,730,055.31, 17,567,856.59 and 7,838,099.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730,055.31 : 17,567,856.59 = 7,838,099.73 : x
2. Step 2: Convert to fraction form
   12,730,055.31/17,567,856.59 = 7,838,099.73/x
3. Step 3: Cross multiply
   12,730,055.31x = 17,567,856.59 × 7,838,099.73
4. Step 4: Simplify right side
   12,730,055.31x = 137,698,611,994,757.73
5. Step 5: Solve for x
   x = 137,698,611,994,757.73/12,730,055.31
6. Step 6: Final answer
   x = 10,816,811.76