Finding the Fourth Proportional to 163,031.49, 224,980.61 and 91,411.29

Step by Step Solution

1. Step 1: Write the proportion equation
   163,031.49 : 224,980.61 = 91,411.29 : x
2. Step 2: Convert to fraction form
   163,031.49/224,980.61 = 91,411.29/x
3. Step 3: Cross multiply
   163,031.49x = 224,980.61 × 91,411.29
4. Step 4: Simplify right side
   163,031.49x = 20,565,767,328.03
5. Step 5: Solve for x
   x = 20,565,767,328.03/163,031.49
6. Step 6: Final answer
   x = 126,145.98