Finding the Fourth Proportional to 109,874.76, 164,543.34 and 99,225.17

Step by Step Solution

1. Step 1: Write the proportion equation
   109,874.76 : 164,543.34 = 99,225.17 : x
2. Step 2: Convert to fraction form
   109,874.76/164,543.34 = 99,225.17/x
3. Step 3: Cross multiply
   109,874.76x = 164,543.34 × 99,225.17
4. Step 4: Simplify right side
   109,874.76x = 16,326,840,061.15
5. Step 5: Solve for x
   x = 16,326,840,061.15/109,874.76
6. Step 6: Final answer
   x = 148,595.00