Finding the Fourth Proportional to 58,696.84, 88,042.02 and 42,918.04

Step by Step Solution

1. Step 1: Write the proportion equation
   58,696.84 : 88,042.02 = 42,918.04 : x
2. Step 2: Convert to fraction form
   58,696.84/88,042.02 = 42,918.04/x
3. Step 3: Cross multiply
   58,696.84x = 88,042.02 × 42,918.04
4. Step 4: Simplify right side
   58,696.84x = 3,778,590,936.04
5. Step 5: Solve for x
   x = 3,778,590,936.04/58,696.84
6. Step 6: Final answer
   x = 64,374.69