Finding the Fourth Proportional to 191,663.46, 287,513.01 and 65,261.34

Step by Step Solution

1. Step 1: Write the proportion equation
   191,663.46 : 287,513.01 = 65,261.34 : x
2. Step 2: Convert to fraction form
   191,663.46/287,513.01 = 65,261.34/x
3. Step 3: Cross multiply
   191,663.46x = 287,513.01 × 65,261.34
4. Step 4: Simplify right side
   191,663.46x = 18,763,484,300.03
5. Step 5: Solve for x
   x = 18,763,484,300.03/191,663.46
6. Step 6: Final answer
   x = 97,898.08