Finding the Fourth Proportional to 137,189.86, 205,518.49 and 101,100.83

Step by Step Solution

1. Step 1: Write the proportion equation
   137,189.86 : 205,518.49 = 101,100.83 : x
2. Step 2: Convert to fraction form
   137,189.86/205,518.49 = 101,100.83/x
3. Step 3: Cross multiply
   137,189.86x = 205,518.49 × 101,100.83
4. Step 4: Simplify right side
   137,189.86x = 20,778,089,919.35
5. Step 5: Solve for x
   x = 20,778,089,919.35/137,189.86
6. Step 6: Final answer
   x = 151,455.00