Finding the Fourth Proportional to 191,365.34, 287,047.74 and 65,018.71

Step by Step Solution

1. Step 1: Write the proportion equation
   191,365.34 : 287,047.74 = 65,018.71 : x
2. Step 2: Convert to fraction form
   191,365.34/287,047.74 = 65,018.71/x
3. Step 3: Cross multiply
   191,365.34x = 287,047.74 × 65,018.71
4. Step 4: Simplify right side
   191,365.34x = 18,663,473,763.22
5. Step 5: Solve for x
   x = 18,663,473,763.22/191,365.34
6. Step 6: Final answer
   x = 97,527.97