Finding the Fourth Proportional to 345,767, 477,158.46 and 186,791

Step by Step Solution

1. Step 1: Write the proportion equation
   345,767 : 477,158.46 = 186,791 : x
2. Step 2: Convert to fraction form
   345,767/477,158.46 = 186,791/x
3. Step 3: Cross multiply
   345,767x = 477,158.46 × 186,791
4. Step 4: Simplify right side
   345,767x = 89,128,905,901.86
5. Step 5: Solve for x
   x = 89,128,905,901.86/345,767
6. Step 6: Final answer
   x = 257,771.58