Finding the Fourth Proportional to 146,802.72, 220,238.55 and 45,595.60

Step by Step Solution

1. Step 1: Write the proportion equation
   146,802.72 : 220,238.55 = 45,595.60 : x
2. Step 2: Convert to fraction form
   146,802.72/220,238.55 = 45,595.60/x
3. Step 3: Cross multiply
   146,802.72x = 220,238.55 × 45,595.60
4. Step 4: Simplify right side
   146,802.72x = 10,041,908,830.38
5. Step 5: Solve for x
   x = 10,041,908,830.38/146,802.72
6. Step 6: Final answer
   x = 68,404.11