Finding the Fourth Proportional to 213,444,552.89, 294,520,909.59 and 120,591,181.37

Step by Step Solution

1. Step 1: Write the proportion equation
   213,444,552.89 : 294,520,909.59 = 120,591,181.37 : x
2. Step 2: Convert to fraction form
   213,444,552.89/294,520,909.59 = 120,591,181.37/x
3. Step 3: Cross multiply
   213,444,552.89x = 294,520,909.59 × 120,591,181.37
4. Step 4: Simplify right side
   213,444,552.89x = 35,516,624,424,363,148
5. Step 5: Solve for x
   x = 35,516,624,424,363,148/213,444,552.89
6. Step 6: Final answer
   x = 166,397,427.08