Finding the Fourth Proportional to 22,341,643.50, 30,831,876.36 and 12,419,457.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,341,643.50 : 30,831,876.36 = 12,419,457.78 : x
2. Step 2: Convert to fraction form
   22,341,643.50/30,831,876.36 = 12,419,457.78/x
3. Step 3: Cross multiply
   22,341,643.50x = 30,831,876.36 × 12,419,457.78
4. Step 4: Simplify right side
   22,341,643.50x = 382,915,186,731,200.06
5. Step 5: Solve for x
   x = 382,915,186,731,200.06/22,341,643.50
6. Step 6: Final answer
   x = 17,139,078.72