Finding the Fourth Proportional to 147,622,709.70, 221,434,064.55 and 146,772,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,622,709.70 : 221,434,064.55 = 146,772,404.10 : x
2. Step 2: Convert to fraction form
   147,622,709.70/221,434,064.55 = 146,772,404.10/x
3. Step 3: Cross multiply
   147,622,709.70x = 221,434,064.55 × 146,772,404.10
4. Step 4: Simplify right side
   147,622,709.70x = 32,500,410,003,638,084
5. Step 5: Solve for x
   x = 32,500,410,003,638,084/147,622,709.70
6. Step 6: Final answer
   x = 220,158,606.15