Finding the Fourth Proportional to 76,443,478.05, 107,323,200.15 and 76,443,478.05

Step by Step Solution

1. Step 1: Write the proportion equation
   76,443,478.05 : 107,323,200.15 = 76,443,478.05 : x
2. Step 2: Convert to fraction form
   76,443,478.05/107,323,200.15 = 76,443,478.05/x
3. Step 3: Cross multiply
   76,443,478.05x = 107,323,200.15 × 76,443,478.05
4. Step 4: Simplify right side
   76,443,478.05x = 8,204,158,694,922,282
5. Step 5: Solve for x
   x = 8,204,158,694,922,282/76,443,478.05
6. Step 6: Final answer
   x = 107,323,200.15