Finding the Fourth Proportional to 109,108.82, 150,533.97 and 88,931

Step by Step Solution

1. Step 1: Write the proportion equation
   109,108.82 : 150,533.97 = 88,931 : x
2. Step 2: Convert to fraction form
   109,108.82/150,533.97 = 88,931/x
3. Step 3: Cross multiply
   109,108.82x = 150,533.97 × 88,931
4. Step 4: Simplify right side
   109,108.82x = 13,387,136,486.07
5. Step 5: Solve for x
   x = 13,387,136,486.07/109,108.82
6. Step 6: Final answer
   x = 122,695.27