Finding the Fourth Proportional to 191,647.84, 287,465.28 and 58,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   191,647.84 : 287,465.28 = 58,522.72 : x
2. Step 2: Convert to fraction form
   191,647.84/287,465.28 = 58,522.72/x
3. Step 3: Cross multiply
   191,647.84x = 287,465.28 × 58,522.72
4. Step 4: Simplify right side
   191,647.84x = 16,823,250,091.16
5. Step 5: Solve for x
   x = 16,823,250,091.16/191,647.84
6. Step 6: Final answer
   x = 87,782.10