Finding the Fourth Proportional to 175,493.01, 242,180.10 and 99,012

Step by Step Solution

1. Step 1: Write the proportion equation
   175,493.01 : 242,180.10 = 99,012 : x
2. Step 2: Convert to fraction form
   175,493.01/242,180.10 = 99,012/x
3. Step 3: Cross multiply
   175,493.01x = 242,180.10 × 99,012
4. Step 4: Simplify right side
   175,493.01x = 23,978,736,061.20
5. Step 5: Solve for x
   x = 23,978,736,061.20/175,493.01
6. Step 6: Final answer
   x = 136,636.42