Finding the Fourth Proportional to 103,443.47, 155,054.94 and 58,974.47

Step by Step Solution

1. Step 1: Write the proportion equation
   103,443.47 : 155,054.94 = 58,974.47 : x
2. Step 2: Convert to fraction form
   103,443.47/155,054.94 = 58,974.47/x
3. Step 3: Cross multiply
   103,443.47x = 155,054.94 × 58,974.47
4. Step 4: Simplify right side
   103,443.47x = 9,144,282,907.38
5. Step 5: Solve for x
   x = 9,144,282,907.38/103,443.47
6. Step 6: Final answer
   x = 88,398.84