Finding the Fourth Proportional to 82,374,156.63, 114,197,138.69 and 78,006,105.27

Step by Step Solution

1. Step 1: Write the proportion equation
   82,374,156.63 : 114,197,138.69 = 78,006,105.27 : x
2. Step 2: Convert to fraction form
   82,374,156.63/114,197,138.69 = 78,006,105.27/x
3. Step 3: Cross multiply
   82,374,156.63x = 114,197,138.69 × 78,006,105.27
4. Step 4: Simplify right side
   82,374,156.63x = 8,908,074,021,794,899
5. Step 5: Solve for x
   x = 8,908,074,021,794,899/82,374,156.63
6. Step 6: Final answer
   x = 108,141,611.23