Finding the Fourth Proportional to 313,113.82, 469,726.89 and 146,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   313,113.82 : 469,726.89 = 146,897.50 : x
2. Step 2: Convert to fraction form
   313,113.82/469,726.89 = 146,897.50/x
3. Step 3: Cross multiply
   313,113.82x = 469,726.89 × 146,897.50
4. Step 4: Simplify right side
   313,113.82x = 69,001,705,823.78
5. Step 5: Solve for x
   x = 69,001,705,823.78/313,113.82
6. Step 6: Final answer
   x = 220,372.60