Finding the Fourth Proportional to 191,996.16, 287,983.47 and 58,876.05

Step by Step Solution

1. Step 1: Write the proportion equation
   191,996.16 : 287,983.47 = 58,876.05 : x
2. Step 2: Convert to fraction form
   191,996.16/287,983.47 = 58,876.05/x
3. Step 3: Cross multiply
   191,996.16x = 287,983.47 × 58,876.05
4. Step 4: Simplify right side
   191,996.16x = 16,955,329,178.89
5. Step 5: Solve for x
   x = 16,955,329,178.89/191,996.16
6. Step 6: Final answer
   x = 88,310.77