Finding the Fourth Proportional to 200,552,118.42, 276,695,766.34 and 121,137,506.52

Step by Step Solution

1. Step 1: Write the proportion equation
   200,552,118.42 : 276,695,766.34 = 121,137,506.52 : x
2. Step 2: Convert to fraction form
   200,552,118.42/276,695,766.34 = 121,137,506.52/x
3. Step 3: Cross multiply
   200,552,118.42x = 276,695,766.34 × 121,137,506.52
4. Step 4: Simplify right side
   200,552,118.42x = 33,518,235,199,068,144
5. Step 5: Solve for x
   x = 33,518,235,199,068,144/200,552,118.42
6. Step 6: Final answer
   x = 167,129,798.79