Finding the Fourth Proportional to 521,005.96, 781,399.59 and 146,941.48

Step by Step Solution

1. Step 1: Write the proportion equation
   521,005.96 : 781,399.59 = 146,941.48 : x
2. Step 2: Convert to fraction form
   521,005.96/781,399.59 = 146,941.48/x
3. Step 3: Cross multiply
   521,005.96x = 781,399.59 × 146,941.48
4. Step 4: Simplify right side
   521,005.96x = 114,820,014,852.62
5. Step 5: Solve for x
   x = 114,820,014,852.62/521,005.96
6. Step 6: Final answer
   x = 220,381.38