Finding the Fourth Proportional to 222,869.21, 334,300.16 and 89,746.11

Step by Step Solution

1. Step 1: Write the proportion equation
   222,869.21 : 334,300.16 = 89,746.11 : x
2. Step 2: Convert to fraction form
   222,869.21/334,300.16 = 89,746.11/x
3. Step 3: Cross multiply
   222,869.21x = 334,300.16 × 89,746.11
4. Step 4: Simplify right side
   222,869.21x = 30,002,139,156.74
5. Step 5: Solve for x
   x = 30,002,139,156.74/222,869.21
6. Step 6: Final answer
   x = 134,617.70