Finding the Fourth Proportional to 111,640.32, 167,461.29 and 45,068.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,640.32 : 167,461.29 = 45,068.04 : x
2. Step 2: Convert to fraction form
   111,640.32/167,461.29 = 45,068.04/x
3. Step 3: Cross multiply
   111,640.32x = 167,461.29 × 45,068.04
4. Step 4: Simplify right side
   111,640.32x = 7,547,152,116.17
5. Step 5: Solve for x
   x = 7,547,152,116.17/111,640.32
6. Step 6: Final answer
   x = 67,602.39