Finding the Fourth Proportional to 103,302.88, 142,642 and 84,185.46

Step by Step Solution

1. Step 1: Write the proportion equation
   103,302.88 : 142,642 = 84,185.46 : x
2. Step 2: Convert to fraction form
   103,302.88/142,642 = 84,185.46/x
3. Step 3: Cross multiply
   103,302.88x = 142,642 × 84,185.46
4. Step 4: Simplify right side
   103,302.88x = 12,008,382,385.32
5. Step 5: Solve for x
   x = 12,008,382,385.32/103,302.88
6. Step 6: Final answer
   x = 116,244.41