Finding the Fourth Proportional to 143,970.06, 215,862.59 and 59,788.29

Step by Step Solution

1. Step 1: Write the proportion equation
   143,970.06 : 215,862.59 = 59,788.29 : x
2. Step 2: Convert to fraction form
   143,970.06/215,862.59 = 59,788.29/x
3. Step 3: Cross multiply
   143,970.06x = 215,862.59 × 59,788.29
4. Step 4: Simplify right side
   143,970.06x = 12,906,054,832.13
5. Step 5: Solve for x
   x = 12,906,054,832.13/143,970.06
6. Step 6: Final answer
   x = 89,644.02