Finding the Fourth Proportional to 143,994.99, 216,088.89 and 59,755.23

Step by Step Solution

1. Step 1: Write the proportion equation
   143,994.99 : 216,088.89 = 59,755.23 : x
2. Step 2: Convert to fraction form
   143,994.99/216,088.89 = 59,755.23/x
3. Step 3: Cross multiply
   143,994.99x = 216,088.89 × 59,755.23
4. Step 4: Simplify right side
   143,994.99x = 12,912,441,173.01
5. Step 5: Solve for x
   x = 12,912,441,173.01/143,994.99
6. Step 6: Final answer
   x = 89,672.85