Finding the Fourth Proportional to 383,085,081.76, 574,627,630.20 and 91,952,204.56

Step by Step Solution

1. Step 1: Write the proportion equation
   383,085,081.76 : 574,627,630.20 = 91,952,204.56 : x
2. Step 2: Convert to fraction form
   383,085,081.76/574,627,630.20 = 91,952,204.56/x
3. Step 3: Cross multiply
   383,085,081.76x = 574,627,630.20 × 91,952,204.56
4. Step 4: Simplify right side
   383,085,081.76x = 52,838,277,397,978,440
5. Step 5: Solve for x
   x = 52,838,277,397,978,440/383,085,081.76
6. Step 6: Final answer
   x = 137,928,308.65