Finding the Fourth Proportional to 13,869,191.48, 19,141,100.70 and 8,068,217.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,869,191.48 : 19,141,100.70 = 8,068,217.72 : x
2. Step 2: Convert to fraction form
   13,869,191.48/19,141,100.70 = 8,068,217.72/x
3. Step 3: Cross multiply
   13,869,191.48x = 19,141,100.70 × 8,068,217.72
4. Step 4: Simplify right side
   13,869,191.48x = 154,434,567,848,044.41
5. Step 5: Solve for x
   x = 154,434,567,848,044.41/13,869,191.48
6. Step 6: Final answer
   x = 11,135,080.81