Finding the Fourth Proportional to 109,018.68, 150,411.96 and 63,663.94

Step by Step Solution

1. Step 1: Write the proportion equation
   109,018.68 : 150,411.96 = 63,663.94 : x
2. Step 2: Convert to fraction form
   109,018.68/150,411.96 = 63,663.94/x
3. Step 3: Cross multiply
   109,018.68x = 150,411.96 × 63,663.94
4. Step 4: Simplify right side
   109,018.68x = 9,575,817,996.72
5. Step 5: Solve for x
   x = 9,575,817,996.72/109,018.68
6. Step 6: Final answer
   x = 87,836.49