Finding the Fourth Proportional to 191,527.49, 287,290.47 and 58,407.37

Step by Step Solution

1. Step 1: Write the proportion equation
   191,527.49 : 287,290.47 = 58,407.37 : x
2. Step 2: Convert to fraction form
   191,527.49/287,290.47 = 58,407.37/x
3. Step 3: Cross multiply
   191,527.49x = 287,290.47 × 58,407.37
4. Step 4: Simplify right side
   191,527.49x = 16,779,880,778.76
5. Step 5: Solve for x
   x = 16,779,880,778.76/191,527.49
6. Step 6: Final answer
   x = 87,610.82