Finding the Fourth Proportional to 103,736.39, 143,158.05 and 61,294.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103,736.39 : 143,158.05 = 61,294.82 : x
2. Step 2: Convert to fraction form
   103,736.39/143,158.05 = 61,294.82/x
3. Step 3: Cross multiply
   103,736.39x = 143,158.05 × 61,294.82
4. Step 4: Simplify right side
   103,736.39x = 8,774,846,190.51
5. Step 5: Solve for x
   x = 8,774,846,190.51/103,736.39
6. Step 6: Final answer
   x = 84,587.93