Finding the Fourth Proportional to 191,806.88, 287,698.42 and 58,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   191,806.88 : 287,698.42 = 58,676.72 : x
2. Step 2: Convert to fraction form
   191,806.88/287,698.42 = 58,676.72/x
3. Step 3: Cross multiply
   191,806.88x = 287,698.42 × 58,676.72
4. Step 4: Simplify right side
   191,806.88x = 16,881,199,634.78
5. Step 5: Solve for x
   x = 16,881,199,634.78/191,806.88
6. Step 6: Final answer
   x = 88,011.44